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103211130112 = 28403168477
BaseRepresentation
bin110000000011111011…
…1001101110100000000
3100212101221221122122121
41200013313031310000
53142334022130422
6115225312414024
710312445062606
oct1400767156400
9325357848577
10103211130112
113a853aa0742
1218005247314
13996ab7732c
144dd1705876
152a410d58c7
hex1807dcdd00

103211130112 has 18 divisors (see below), whose sum is σ = 206019092258. Its totient is φ = 51605564928.

The previous prime is 103211130109. The next prime is 103211130131. The reversal of 103211130112 is 211031112301.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 61829806336 + 41381323776 = 248656^2 + 203424^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201583983 + ... + 201584494.

Almost surely, 2103211130112 is an apocalyptic number.

It is an amenable number.

103211130112 is a deficient number, since it is larger than the sum of its proper divisors (102807962146).

103211130112 is an frugal number, since it uses more digits than its factorization.

103211130112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403168493 (or 403168479 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 103211130112 its reverse (211031112301), we get a palindrome (314242242413).

The spelling of 103211130112 in words is "one hundred three billion, two hundred eleven million, one hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 256 403168477 806336954 1612673908 3225347816 6450695632 12901391264 25802782528 51605565056 103211130112