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60925542561 = 3213263292
BaseRepresentation
bin111000101111011100…
…100000000010100001
312211021000011020110100
4320233130200002201
51444233414330221
643553325453013
74254535365342
oct705734400241
9184230136410
1060925542561
1123924975974
12b983a11169
13598c427a00
142d3d77c0c9
1518b8b27926
hexe2f7200a1

60925542561 has 27 divisors (see below), whose sum is σ = 95308856409. Its totient is φ = 37486717632.

The previous prime is 60925542527. The next prime is 60925542571. The reversal of 60925542561 is 16524552906.

The square root of 60925542561 is 246831.

It is a perfect power (a square), and thus also a powerful number.

60925542561 is a `hidden beast` number, since 6 + 0 + 92 + 554 + 2 + 5 + 6 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 780923025 + 60144619536 = 27945^2 + 245244^2 .

It is not a de Polignac number, because 60925542561 - 215 = 60925509793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60925542571) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9623245 + ... + 9629573.

Almost surely, 260925542561 is an apocalyptic number.

60925542561 is the 246831-st square number.

60925542561 is the 123416-th centered octagonal number.

It is an amenable number.

60925542561 is a deficient number, since it is larger than the sum of its proper divisors (34383313848).

60925542561 is an frugal number, since it uses more digits than its factorization.

60925542561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12690 (or 6345 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 60925542561 in words is "sixty billion, nine hundred twenty-five million, five hundred forty-two thousand, five hundred sixty-one".

Divisors: 1 3 9 13 39 117 169 507 1521 6329 18987 56961 82277 246831 740493 1069601 3208803 9626409 40056241 120168723 360506169 520731133 1562193399 4686580197 6769504729 20308514187 60925542561