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2430031132040 = 2352313952136473
BaseRepresentation
bin100011010111001001001…
…001000111010110001000
322121022100001021210110112
4203113021021013112020
5304303200432211130
65100201344333452
7340364302546631
oct43271111072610
98538301253415
102430031132040
11857630250176
12332b58614288
131481c6847b15
1485885282888
15433260ee495
hex235c9247588

2430031132040 has 128 divisors (see below), whose sum is σ = 5757523027200. Its totient is φ = 921265213440.

The previous prime is 2430031132031. The next prime is 2430031132057. The reversal of 2430031132040 is 402311300342.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2430031131997 and 2430031132015.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66607244 + ... + 66643716.

It is an arithmetic number, because the mean of its divisors is an integer number (44980648650).

Almost surely, 22430031132040 is an apocalyptic number.

2430031132040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2430031132040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2878761513600).

2430031132040 is an abundant number, since it is smaller than the sum of its proper divisors (3327491895160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2430031132040 is a wasteful number, since it uses less digits than its factorization.

2430031132040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37167 (or 37163 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2430031132040 its reverse (402311300342), we get a palindrome (2832342432382).

The spelling of 2430031132040 in words is "two trillion, four hundred thirty billion, thirty-one million, one hundred thirty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 139 184 230 278 460 521 556 695 920 1042 1112 1390 2084 2605 2780 3197 4168 5210 5560 6394 10420 11983 12788 15985 20840 23966 25576 31970 36473 47932 59915 63940 72419 72946 95864 119830 127880 144838 145892 182365 239660 289676 291784 362095 364730 479320 579352 724190 729460 838879 1448380 1458920 1665637 1677758 2896760 3331274 3355516 4194395 5069747 6662548 6711032 8328185 8388790 10139494 13325096 16656370 16777580 19002433 20278988 25348735 33312740 33555160 38004866 40557976 50697470 66625480 76009732 95012165 101394940 116604181 152019464 190024330 202789880 233208362 380048660 437055959 466416724 583020905 760097320 874111918 932833448 1166041810 1748223836 2185279795 2332083620 2641338187 3496447672 4370559590 4664167240 5282676374 8741119180 10565352748 13206690935 17482238360 21130705496 26413381870 52826763740 60750778301 105653527480 121501556602 243003113204 303753891505 486006226408 607507783010 1215015566020 2430031132040