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100023423140 = 22522757738183
BaseRepresentation
bin101110100100111011…
…1000101000010100100
3100120011210201100202102
41131021313011002210
53114321444020030
6113541121031232
710140450032354
oct1351167050244
9316153640672
10100023423140
1139468684273
1217475785518
139580620ca4
144bac1dab64
152906314c45
hex1749dc50a4

100023423140 has 48 divisors (see below), whose sum is σ = 211345690752. Its totient is φ = 39763040256.

The previous prime is 100023423139. The next prime is 100023423151. The reversal of 100023423140 is 41324320001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2600489 + ... + 2638671.

It is an arithmetic number, because the mean of its divisors is an integer number (4403035224).

Almost surely, 2100023423140 is an apocalyptic number.

100023423140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100023423140 is an abundant number, since it is smaller than the sum of its proper divisors (111322267612).

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

100023423140 is a wasteful number, since it uses less digits than its factorization.

100023423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38996 (or 38994 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 100023423140 its reverse (41324320001), we get a palindrome (141347743141).

The spelling of 100023423140 in words is "one hundred billion, twenty-three million, four hundred twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 227 454 577 908 1135 1154 2270 2308 2885 4540 5770 11540 38183 76366 130979 152732 190915 261958 381830 523916 654895 763660 1309790 2619580 8667541 17335082 22031591 34670164 43337705 44063182 86675410 88126364 110157955 173350820 220315910 440631820 5001171157 10002342314 20004684628 25005855785 50011711570 100023423140