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130544544 = 25313293607
BaseRepresentation
bin1111100011111…
…11001110100000
3100002122100110010
413301333032200
5231404411134
620542004520
73143416224
oct761771640
9302570403
10130544544
1167764059
1237876740
13210795c0
14134a2784
15b6d9ce9
hex7c7f3a0

130544544 has 96 divisors (see below), whose sum is σ = 381870720. Its totient is φ = 38771712.

The previous prime is 130544537. The next prime is 130544551. The reversal of 130544544 is 445445031.

It is an interprime number because it is at equal distance from previous prime (130544537) and next prime (130544551).

It is a tau number, because it is divible by the number of its divisors (96).

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, 34389 + ... + 37995.

It is an arithmetic number, because the mean of its divisors is an integer number (3977820).

Almost surely, 2130544544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130544544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190935360).

130544544 is an abundant number, since it is smaller than the sum of its proper divisors (251326176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130544544 is a wasteful number, since it uses less digits than its factorization.

130544544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662 (or 3654 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 130544544 is about 11425.6091303702. The cubic root of 130544544 is about 507.2860369459.

Adding to 130544544 its reverse (445445031), we get a palindrome (575989575).

The spelling of 130544544 in words is "one hundred thirty million, five hundred forty-four thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 29 32 39 48 52 58 78 87 96 104 116 156 174 208 232 312 348 377 416 464 624 696 754 928 1131 1248 1392 1508 2262 2784 3016 3607 4524 6032 7214 9048 10821 12064 14428 18096 21642 28856 36192 43284 46891 57712 86568 93782 104603 115424 140673 173136 187564 209206 281346 313809 346272 375128 418412 562692 627618 750256 836824 1125384 1255236 1359839 1500512 1673648 2250768 2510472 2719678 3347296 4079517 4501536 5020944 5439356 8159034 10041888 10878712 16318068 21757424 32636136 43514848 65272272 130544544