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103142251612 = 221011087234869
BaseRepresentation
bin110000000001111000…
…0011101110001011100
3100212020011100021010001
41200003300131301130
53142213404022422
6115214412224044
710310650446631
oct1400360356134
9325204307101
10103142251612
113a819126264
1217ba616b024
13995980c11a
144dc64d6188
152a3a02c227
hex1803c1dc5c

103142251612 has 24 divisors (see below), whose sum is σ = 182454531840. Its totient is φ = 51013329600.

The previous prime is 103142251543. The next prime is 103142251637. The reversal of 103142251612 is 216152241301.

It is a congruent number.

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, 321714 + ... + 556582.

It is an arithmetic number, because the mean of its divisors is an integer number (7602272160).

Almost surely, 2103142251612 is an apocalyptic number.

It is an amenable number.

103142251612 is a deficient number, since it is larger than the sum of its proper divisors (79312280228).

103142251612 is a wasteful number, since it uses less digits than its factorization.

103142251612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236061 (or 236059 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 103142251612 its reverse (216152241301), we get a palindrome (319294492913).

The spelling of 103142251612 in words is "one hundred three billion, one hundred forty-two million, two hundred fifty-one thousand, six hundred twelve".

Divisors: 1 2 4 101 202 404 1087 2174 4348 109787 219574 234869 439148 469738 939476 23721769 47443538 94887076 255302603 510605206 1021210412 25785562903 51571125806 103142251612