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155112130 = 2556327551
BaseRepresentation
bin10010011111011…
…01001011000010
3101210212111211201
421033231023002
5304202042010
623220331414
73562300645
oct1117551302
9353774751
10155112130
117a614048
1243b43b6a
132619ba34
1416859a5c
15d93e23a
hex93ed2c2

155112130 has 16 divisors (see below), whose sum is σ = 279707904. Its totient is φ = 61932400.

The previous prime is 155112119. The next prime is 155112157. The reversal of 155112130 is 31211551.

155112130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155112098 and 155112107.

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, 8146 + ... + 19405.

It is an arithmetic number, because the mean of its divisors is an integer number (17481744).

Almost surely, 2155112130 is an apocalyptic number.

155112130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155112130 is a deficient number, since it is larger than the sum of its proper divisors (124595774).

155112130 is a wasteful number, since it uses less digits than its factorization.

155112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28121.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 155112130 is about 12454.4020330163. The cubic root of 155112130 is about 537.2980369767.

Adding to 155112130 its reverse (31211551), we get a palindrome (186323681).

The spelling of 155112130 in words is "one hundred fifty-five million, one hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 563 1126 2815 5630 27551 55102 137755 275510 15511213 31022426 77556065 155112130