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130020004 = 2232505001
BaseRepresentation
bin1111011111111…
…11001010100100
3100001122200220201
413233333022210
5231241120004
620522440244
73136103032
oct757771244
9301580821
10130020004
1167435a54
1237663084
1320c2491a
14133a7552
15b6346a4
hex7bff2a4

130020004 has 6 divisors (see below), whose sum is σ = 227535014. Its totient is φ = 65010000.

The previous prime is 130019977. The next prime is 130020013. The reversal of 130020004 is 400020031.

It can be written as a sum of positive squares in only one way, i.e., 130005604 + 14400 = 11402^2 + 120^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16252497 + ... + 16252504.

Almost surely, 2130020004 is an apocalyptic number.

It is an amenable number.

130020004 is a deficient number, since it is larger than the sum of its proper divisors (97515010).

130020004 is a wasteful number, since it uses less digits than its factorization.

130020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32505005 (or 32505003 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 130020004 is about 11402.6314506784. The cubic root of 130020004 is about 506.6056842194.

Adding to 130020004 its reverse (400020031), we get a palindrome (530040035).

The spelling of 130020004 in words is "one hundred thirty million, twenty thousand, four".

Divisors: 1 2 4 32505001 65010002 130020004