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100143712640 = 275732143487
BaseRepresentation
bin101110101000100000…
…1111100100110000000
3100120111012001200221002
41131101001330212000
53120043242301030
6114001055151132
710143440340536
oct1352101744600
9316435050832
10100143712640
113951a573584
12174a9b154a8
13959c5198ca
144bc0190156
152911b76245
hex175107c980

100143712640 has 64 divisors (see below), whose sum is σ = 242685711360. Its totient is φ = 39508733952.

The previous prime is 100143712631. The next prime is 100143712687. The reversal of 100143712640 is 46217341001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 1025024 + ... + 1118463.

It is an arithmetic number, because the mean of its divisors is an integer number (3791964240).

Almost surely, 2100143712640 is an apocalyptic number.

100143712640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100143712640 is an abundant number, since it is smaller than the sum of its proper divisors (142541998720).

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

100143712640 is an equidigital number, since it uses as much as digits as its factorization.

100143712640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143579 (or 2143567 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 100143712640 in words is "one hundred billion, one hundred forty-three million, seven hundred twelve thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 73 80 128 146 160 292 320 365 584 640 730 1168 1460 2336 2920 4672 5840 9344 11680 23360 46720 2143487 4286974 8573948 10717435 17147896 21434870 34295792 42869740 68591584 85739480 137183168 156474551 171478960 274366336 312949102 342957920 625898204 685915840 782372755 1251796408 1371831680 1564745510 2503592816 3129491020 5007185632 6258982040 10014371264 12517964080 20028742528 25035928160 50071856320 100143712640