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100507742840 = 2354363357587
BaseRepresentation
bin101110110011010111…
…0100111001001111000
3100121102120001100111002
41131212232213021320
53121314440232330
6114101141424132
710155450501221
oct1354656471170
9317376040432
10100507742840
113969700088a
121758ba0b048
139629a75bab
144c16670248
152933ad1e45
hex1766ba7278

100507742840 has 32 divisors (see below), whose sum is σ = 226151531280. Its totient is φ = 40201477632.

The previous prime is 100507742831. The next prime is 100507742869. The reversal of 100507742840 is 48247705001.

It is a junction number, because it is equal to n+sod(n) for n = 100507742794 and 100507742803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716527 + ... + 1774113.

Almost surely, 2100507742840 is an apocalyptic number.

100507742840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100507742840 is an abundant number, since it is smaller than the sum of its proper divisors (125643788440).

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

100507742840 is a wasteful number, since it uses less digits than its factorization.

100507742840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101231 (or 101227 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The spelling of 100507742840 in words is "one hundred billion, five hundred seven million, seven hundred forty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 43633 57587 87266 115174 174532 218165 230348 287935 349064 436330 460696 575870 872660 1151740 1745320 2303480 2512693571 5025387142 10050774284 12563467855 20101548568 25126935710 50253871420 100507742840