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10179940380 = 2235174197453
BaseRepresentation
bin10010111101100010…
…11001000000011100
3222021110100112220220
421132301121000130
5131322031043010
64402051241340
7510161031321
oct113661310034
928243315826
1010179940380
114354346975
121b812a9250
13c6307017c
146c8002b48
153e8aa3970
hex25ec5901c

10179940380 has 48 divisors (see below), whose sum is σ = 28520497824. Its totient is φ = 2713063680.

The previous prime is 10179940373. The next prime is 10179940399. The reversal of 10179940380 is 8304997101.

It is a happy number.

It is a super-2 number, since 2×101799403802 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55734 + ... + 153186.

It is an arithmetic number, because the mean of its divisors is an integer number (594177038).

Almost surely, 210179940380 is an apocalyptic number.

10179940380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10179940380 is an abundant number, since it is smaller than the sum of its proper divisors (18340557444).

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

10179940380 is a wasteful number, since it uses less digits than its factorization.

10179940380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99206 (or 99204 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 10179940380 in words is "ten billion, one hundred seventy-nine million, nine hundred forty thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1741 3482 5223 6964 8705 10446 17410 20892 26115 34820 52230 97453 104460 194906 292359 389812 487265 584718 974530 1169436 1461795 1949060 2923590 5847180 169665673 339331346 508997019 678662692 848328365 1017994038 1696656730 2035988076 2544985095 3393313460 5089970190 10179940380