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103254240040 = 23571153319831
BaseRepresentation
bin110000000101001101…
…1101010101100101000
3100212111222001212100121
41200022123222230220
53142431041140130
6115233452413024
710313510362540
oct1401233525450
9325458055317
10103254240040
113a876365886
1218017777174
139976a8c573
144dd7328320
152a44c9dd7a
hex180a6eab28

103254240040 has 64 divisors (see below), whose sum is σ = 265742012160. Its totient is φ = 35370639360.

The previous prime is 103254240031. The next prime is 103254240043. The reversal of 103254240040 is 40042452301.

It is a happy number.

It is a super-2 number, since 2×1032542400402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103254239987 and 103254240014.

It is not an unprimeable number, because it can be changed into a prime (103254240043) 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, 162925 + ... + 482755.

It is an arithmetic number, because the mean of its divisors is an integer number (4152218940).

Almost surely, 2103254240040 is an apocalyptic number.

103254240040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103254240040 is an abundant number, since it is smaller than the sum of its proper divisors (162487772120).

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

103254240040 is a wasteful number, since it uses less digits than its factorization.

103254240040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321002 (or 320998 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 103254240040 its reverse (40042452301), we get a palindrome (143296692341).

The spelling of 103254240040 in words is "one hundred three billion, two hundred fifty-four million, two hundred forty thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1153 2306 4612 5765 8071 9224 11530 16142 23060 32284 40355 46120 64568 80710 161420 319831 322840 639662 1279324 1599155 2238817 2558648 3198310 4477634 6396620 8955268 11194085 12793240 17910536 22388170 44776340 89552680 368765143 737530286 1475060572 1843825715 2581356001 2950121144 3687651430 5162712002 7375302860 10325424004 12906780005 14750605720 20650848008 25813560010 51627120020 103254240040