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13232031002 = 26616015501
BaseRepresentation
bin11000101001011000…
…01100010100011010
31021011011101211011022
430110230030110122
5204044344443002
610025000202442
7645621256601
oct142454142432
937134354138
1013232031002
115680155813
122693469422
13132b492558
148d74c8a38
155269d6ba2
hex314b0c51a

13232031002 has 4 divisors (see below), whose sum is σ = 19848046506. Its totient is φ = 6616015500.

The previous prime is 13232030957. The next prime is 13232031023. The reversal of 13232031002 is 20013023231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20013023231 = 75726437283.

It can be written as a sum of positive squares in only one way, i.e., 12649725841 + 582305161 = 112471^2 + 24131^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308007749 + ... + 3308007752.

Almost surely, 213232031002 is an apocalyptic number.

13232031002 is a deficient number, since it is larger than the sum of its proper divisors (6616015504).

13232031002 is an equidigital number, since it uses as much as digits as its factorization.

13232031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6616015503.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13232031002 its reverse (20013023231), we get a palindrome (33245054233).

The spelling of 13232031002 in words is "thirteen billion, two hundred thirty-two million, thirty-one thousand, two".

Divisors: 1 2 6616015501 13232031002