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139894698207 = 31119223117541
BaseRepresentation
bin1000001001001001011…
…1111011000011011111
3111101002111112222211210
42002102113323003133
54243001020320312
6144133340515503
713051502212665
oct2022227730337
9441074488753
10139894698207
1154368a01370
122314254bb93
1310265b13244
146ab165ac35
15398b870e3c
hex20925fb0df

139894698207 has 16 divisors (see below), whose sum is σ = 214192840320. Its totient is φ = 80322314400.

The previous prime is 139894698191. The next prime is 139894698211. The reversal of 139894698207 is 702896498931.

It is not a de Polignac number, because 139894698207 - 24 = 139894698191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139894698287) 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, 111558144 + ... + 111559397.

It is an arithmetic number, because the mean of its divisors is an integer number (13387052520).

Almost surely, 2139894698207 is an apocalyptic number.

139894698207 is a deficient number, since it is larger than the sum of its proper divisors (74298142113).

139894698207 is a wasteful number, since it uses less digits than its factorization.

139894698207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223117574.

The product of its (nonzero) digits is 47029248, while the sum is 66.

The spelling of 139894698207 in words is "one hundred thirty-nine billion, eight hundred ninety-four million, six hundred ninety-eight thousand, two hundred seven".

Divisors: 1 3 11 19 33 57 209 627 223117541 669352623 2454292951 4239233279 7362878853 12717699837 46631566069 139894698207