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23106061240 = 2358315494493
BaseRepresentation
bin10101100001001110…
…101000001110111000
32012122022010112020221
4111201032220032320
5334310122424430
614340443025424
71445406165013
oct254116501670
965568115227
1023106061240
119887850889
12458a20b274
1322430457b2
141192a1a37a
159037b057a
hex5613a83b8

23106061240 has 64 divisors (see below), whose sum is σ = 52660692000. Its totient is φ = 9123144192.

The previous prime is 23106061169. The next prime is 23106061243. The reversal of 23106061240 is 4216060132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23106061243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5140434 + ... + 5144926.

Almost surely, 223106061240 is an apocalyptic number.

23106061240 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 23106061240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26330346000).

23106061240 is an abundant number, since it is smaller than the sum of its proper divisors (29554630760).

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

23106061240 is a wasteful number, since it uses less digits than its factorization.

23106061240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6136 (or 6132 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 23106061240 in words is "twenty-three billion, one hundred six million, sixty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 83 166 332 415 664 830 1549 1660 3098 3320 4493 6196 7745 8986 12392 15490 17972 22465 30980 35944 44930 61960 89860 128567 179720 257134 372919 514268 642835 745838 1028536 1285670 1491676 1864595 2571340 2983352 3729190 5142680 6959657 7458380 13919314 14916760 27838628 34798285 55677256 69596570 139193140 278386280 577651531 1155303062 2310606124 2888257655 4621212248 5776515310 11553030620 23106061240