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103231121002 = 251615560501
BaseRepresentation
bin110000000100100001…
…1011110011001101010
3100212110100120021222221
41200021003132121222
53142404131333002
6115231305104254
710313110023232
oct1401103363152
9325410507887
10103231121002
113a864305139
121800ba8808a
139972056569
144dd422acc2
152a42c33c37
hex18090de66a

103231121002 has 4 divisors (see below), whose sum is σ = 154846681506. Its totient is φ = 51615560500.

The previous prime is 103231120997. The next prime is 103231121027. The reversal of 103231121002 is 200121132301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 93062213721 + 10168907281 = 305061^2 + 100841^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25807780249 + ... + 25807780252.

Almost surely, 2103231121002 is an apocalyptic number.

103231121002 is a deficient number, since it is larger than the sum of its proper divisors (51615560504).

103231121002 is an equidigital number, since it uses as much as digits as its factorization.

103231121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51615560503.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103231121002 its reverse (200121132301), we get a palindrome (303352253303).

The spelling of 103231121002 in words is "one hundred three billion, two hundred thirty-one million, one hundred twenty-one thousand, two".

Divisors: 1 2 51615560501 103231121002