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10120402531660 = 2251729765889799
BaseRepresentation
bin1001001101000101011011…
…1111110111010101001100
31022211111112020211120221211
42103101112333313111030
52311303041022003120
633305125421104204
72063114003104351
oct223212677672514
938744466746854
1010120402531660
113252047433133
12117549a3b8064
1358547185c5b5
1426db89ad8628
151283c540c25a
hex93456ff754c

10120402531660 has 24 divisors (see below), whose sum is σ = 22503012688800. Its totient is φ = 3810033894144.

The previous prime is 10120402531649. The next prime is 10120402531661. The reversal of 10120402531660 is 6613520402101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10120402531661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14882944560 + ... + 14882945239.

It is an arithmetic number, because the mean of its divisors is an integer number (937625528700).

Almost surely, 210120402531660 is an apocalyptic number.

10120402531660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120402531660 is an abundant number, since it is smaller than the sum of its proper divisors (12382610157140).

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

10120402531660 is a wasteful number, since it uses less digits than its factorization.

10120402531660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29765889825 (or 29765889823 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 10120402531660 its reverse (6613520402101), we get a palindrome (16733922933761).

The spelling of 10120402531660 in words is "ten trillion, one hundred twenty billion, four hundred two million, five hundred thirty-one thousand, six hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 29765889799 59531779598 119063559196 148829448995 297658897990 506020126583 595317795980 1012040253166 2024080506332 2530100632915 5060201265830 10120402531660