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100644345070 = 2523627169779
BaseRepresentation
bin101110110111011011…
…1101101010011101110
3100121210002002110111221
41131232313231103232
53122104423020240
6114122501333554
710162026550363
oct1355667552356
9317702073457
10100644345070
1139757122095
12176097072ba
13964c163809
144c2a86c46a
152940ab6a4a
hex176eded4ee

100644345070 has 32 divisors (see below), whose sum is σ = 189069189120. Its totient is φ = 38500709280.

The previous prime is 100644345023. The next prime is 100644345079. The reversal of 100644345070 is 70543446001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100644345079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1407441 + ... + 1477219.

It is an arithmetic number, because the mean of its divisors is an integer number (5908412160).

Almost surely, 2100644345070 is an apocalyptic number.

100644345070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100644345070 is a deficient number, since it is larger than the sum of its proper divisors (88424844050).

100644345070 is a wasteful number, since it uses less digits than its factorization.

100644345070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76080.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 100644345070 in words is "one hundred billion, six hundred forty-four million, three hundred forty-five thousand, seventy".

Divisors: 1 2 5 10 23 46 115 230 6271 12542 31355 62710 69779 139558 144233 288466 348895 697790 721165 1442330 1604917 3209834 8024585 16049170 437584109 875168218 2187920545 4375841090 10064434507 20128869014 50322172535 100644345070