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130203442 = 21747591381
BaseRepresentation
bin1111100001010…
…11111100110010
3100002000000112201
413300223330302
5231313002232
620530413414
73140465605
oct760537462
9302000481
10130203442
1167550856
123773126a
1320c8a275
141341433c
15b66dbe7
hex7c2bf32

130203442 has 32 divisors (see below), whose sum is σ = 214928640. Its totient is φ = 58909440.

The previous prime is 130203439. The next prime is 130203461. The reversal of 130203442 is 244302031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93592 + ... + 94972.

It is an arithmetic number, because the mean of its divisors is an integer number (6716520).

Almost surely, 2130203442 is an apocalyptic number.

130203442 is a deficient number, since it is larger than the sum of its proper divisors (84725198).

130203442 is a wasteful number, since it uses less digits than its factorization.

130203442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 130203442 is about 11410.6722851899. The cubic root of 130203442 is about 506.8438195351.

Adding to 130203442 its reverse (244302031), we get a palindrome (374505473).

The spelling of 130203442 in words is "one hundred thirty million, two hundred three thousand, four hundred forty-two".

Divisors: 1 2 17 34 47 59 94 118 799 1003 1381 1598 2006 2762 2773 5546 23477 46954 47141 64907 81479 94282 129814 162958 1103419 1385143 2206838 2770286 3829513 7659026 65101721 130203442