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125016397 = 11311971861
BaseRepresentation
bin1110111001110…
…01100101001101
322201020111020221
413130321211031
5224001011042
620223311341
73045423202
oct734714515
9281214227
10125016397
1164628740
1235a4b551
131cb922cc
1412863ca9
15ae96d67
hex773994d

125016397 has 16 divisors (see below), whose sum is σ = 141571584. Its totient is φ = 109368000.

The previous prime is 125016379. The next prime is 125016401. The reversal of 125016397 is 793610521.

It is not a de Polignac number, because 125016397 - 223 = 116627789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125016097) 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, 66247 + ... + 68107.

It is an arithmetic number, because the mean of its divisors is an integer number (8848224).

Almost surely, 2125016397 is an apocalyptic number.

It is an amenable number.

125016397 is a deficient number, since it is larger than the sum of its proper divisors (16555187).

125016397 is a wasteful number, since it uses less digits than its factorization.

125016397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 125016397 is about 11181.0731595854. The cubic root of 125016397 is about 500.0218617108.

The spelling of 125016397 in words is "one hundred twenty-five million, sixteen thousand, three hundred ninety-seven".

Divisors: 1 11 31 197 341 1861 2167 6107 20471 57691 67177 366617 634601 4032787 11365127 125016397