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3125965501 = 41128959149
BaseRepresentation
bin1011101001010010…
…0111001010111101
322001212001111112001
42322110213022331
522400221344001
61234104142301
7140315161021
oct27224471275
98055044461
103125965501
11136458716a
12732a67991
133aa819839
14219236381
15134677001
hexba5272bd

3125965501 has 8 divisors (see below), whose sum is σ = 3204747000. Its totient is φ = 3047304960.

The previous prime is 3125965499. The next prime is 3125965537. The reversal of 3125965501 is 1055695213.

It can be written as a sum of positive squares in 4 ways, for example, as 1085636601 + 2040328900 = 32949^2 + 45170^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3125965501 - 21 = 3125965499 is a prime.

It is a super-3 number, since 3×31259655013 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125965541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23275 + ... + 82423.

It is an arithmetic number, because the mean of its divisors is an integer number (400593375).

Almost surely, 23125965501 is an apocalyptic number.

It is an amenable number.

3125965501 is a deficient number, since it is larger than the sum of its proper divisors (78781499).

3125965501 is a wasteful number, since it uses less digits than its factorization.

3125965501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60479.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 3125965501 is about 55910.3344740487. The cubic root of 3125965501 is about 1462.1594211786.

The spelling of 3125965501 in words is "three billion, one hundred twenty-five million, nine hundred sixty-five thousand, five hundred one".

Divisors: 1 41 1289 52849 59149 2425109 76243061 3125965501