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100120070162 = 272319632
BaseRepresentation
bin101110100111110011…
…1110000100000010010
3100120102112120112112202
41131033213300200102
53120021214221122
6113554452323202
710143032361200
oct1351747604022
9316375515482
10100120070162
1139508195642
12174a2013502
13959765c588
144bbad98070
15290ea55e92
hex174f9f0812

100120070162 has 18 divisors (see below), whose sum is σ = 174704771943. Its totient is φ = 42907259052.

The previous prime is 100120070161. The next prime is 100120070189. The reversal of 100120070162 is 261070021001.

It can be written as a sum of positive squares in only one way, i.e., 50060035081 + 50060035081 = 223741^2 + 223741^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=223741.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100120070161) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3116393 + ... + 3148355.

Almost surely, 2100120070162 is an apocalyptic number.

100120070162 is a deficient number, since it is larger than the sum of its proper divisors (74584701781).

100120070162 is an frugal number, since it uses more digits than its factorization.

100120070162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63942 (or 31972 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 100120070162 its reverse (261070021001), we get a palindrome (361190091163).

The spelling of 100120070162 in words is "one hundred billion, one hundred twenty million, seventy thousand, one hundred sixty-two".

Divisors: 1 2 7 14 49 98 31963 63926 223741 447482 1566187 3132374 1021633369 2043266738 7151433583 14302867166 50060035081 100120070162