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60274669081 = 11420292
BaseRepresentation
bin111000001000101001…
…100111011000011001
312202120122102102220011
4320020221213120121
51441420303402311
643404555201521
74232443143124
oct701051473031
9182518372804
1060274669081
1123620530000
12b821a462a1
1358b7629283
142cbb1513bb
15187b90b321
hexe08a67619

60274669081 has 15 divisors (see below), whose sum is σ = 66334417455. Its totient is φ = 54768147720.

The previous prime is 60274669031. The next prime is 60274669159. The reversal of 60274669081 is 18096647206.

The square root of 60274669081 is 245509.

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

It can be written as a sum of positive squares in only one way, i.e., 59800300681 + 474368400 = 244541^2 + 21780^2 .

It is not a de Polignac number, because 60274669081 - 29 = 60274668569 is a prime.

It is a super-2 number, since 2×602746690812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60274669031) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 29705575 + ... + 29707603.

It is an arithmetic number, because the mean of its divisors is an integer number (4422294497).

Almost surely, 260274669081 is an apocalyptic number.

60274669081 is the 245509-th square number.

60274669081 is the 122755-th centered octagonal number.

It is an amenable number.

60274669081 is a deficient number, since it is larger than the sum of its proper divisors (6059748374).

60274669081 is an frugal number, since it uses more digits than its factorization.

60274669081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

Multiplying 60274669081 by its sum of digits (49), we get a square (2953458784969 = 17185632).

The spelling of 60274669081 in words is "sixty billion, two hundred seventy-four million, six hundred sixty-nine thousand, eighty-one".

Divisors: 1 11 121 1331 2029 14641 22319 245509 2700599 4116841 29706589 45285251 498137761 5479515371 60274669081