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103145530120 = 23514917306297
BaseRepresentation
bin110000000001111110…
…0111110001100001000
3100212020101111211101021
41200003330332030020
53142220223430440
6115215010402224
710311020353153
oct1400374761410
9325211454337
10103145530120
113a81aa65476
1217ba7290374
13995a3b9479
144dc6b0ac9a
152a3a47884a
hex1803f3e308

103145530120 has 32 divisors (see below), whose sum is σ = 233635023000. Its totient is φ = 40981308928.

The previous prime is 103145530099. The next prime is 103145530139. The reversal of 103145530120 is 21035541301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 30524981796 + 72620548324 = 174714^2 + 269482^2 .

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, 8647189 + ... + 8659108.

Almost surely, 2103145530120 is an apocalyptic number.

103145530120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103145530120 is an abundant number, since it is smaller than the sum of its proper divisors (130489492880).

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

103145530120 is a wasteful number, since it uses less digits than its factorization.

103145530120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17306457 (or 17306453 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 103145530120 in words is "one hundred three billion, one hundred forty-five million, five hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 149 298 596 745 1192 1490 2980 5960 17306297 34612594 69225188 86531485 138450376 173062970 346125940 692251880 2578638253 5157276506 10314553012 12893191265 20629106024 25786382530 51572765060 103145530120