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107834421620 = 2255391721081
BaseRepresentation
bin110010001101101101…
…1101011000101110100
3101022100011111012022102
41210123123223011310
53231321102442440
6121312145521232
710535144313602
oct1443333530564
9338304435272
10107834421620
11418067a1012
1218a95643218
13a22695ac93
14530d746872
152c11e29b15
hex191b6eb174

107834421620 has 12 divisors (see below), whose sum is σ = 226452285444. Its totient is φ = 43133768640.

The previous prime is 107834421613. The next prime is 107834421623. The reversal of 107834421620 is 26124438701.

It can be written as a sum of positive squares in 2 ways, for example, as 33984185104 + 73850236516 = 184348^2 + 271754^2 .

It is a super-2 number, since 2×1078344216202 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107834421623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2695860521 + ... + 2695860560.

It is an arithmetic number, because the mean of its divisors is an integer number (18871023787).

Almost surely, 2107834421620 is an apocalyptic number.

107834421620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107834421620 is an abundant number, since it is smaller than the sum of its proper divisors (118617863824).

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

107834421620 is a wasteful number, since it uses less digits than its factorization.

107834421620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391721090 (or 5391721088 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 107834421620 in words is "one hundred seven billion, eight hundred thirty-four million, four hundred twenty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 5391721081 10783442162 21566884324 26958605405 53917210810 107834421620