Search a number
-
+
75231400413257 = 1129532316023779
BaseRepresentation
bin10001000110110000101100…
…111001011100100001001001
3100212101001101122102211220222
4101012300230321130201021
534330042402001211012
6424000454521555425
721563201143324424
oct2106605471344111
9325331348384828
1075231400413257
1121a75504289040
128530423945b75
1332c93a1646b0a
14148130d7169bb
158a6e1c1dc972
hex446c2ce5c849

75231400413257 has 8 divisors (see below), whose sum is σ = 82098410953440. Its totient is φ = 68369021926560.

The previous prime is 75231400413233. The next prime is 75231400413271.

It is a happy number.

75231400413257 is nontrivially palindromic in base 10.

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 75231400413257 - 228 = 75231131977801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75231400413217) 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, 1157979407 + ... + 1158044372.

It is an arithmetic number, because the mean of its divisors is an integer number (10262301369180).

Almost surely, 275231400413257 is an apocalyptic number.

It is an amenable number.

75231400413257 is a deficient number, since it is larger than the sum of its proper divisors (6867010540183).

75231400413257 is a wasteful number, since it uses less digits than its factorization.

75231400413257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316026743.

The product of its (nonzero) digits is 705600, while the sum is 44.

It can be divided in two parts, 75231400 and 413257, that added together give a palindrome (75644657).

The spelling of 75231400413257 in words is "seventy-five trillion, two hundred thirty-one billion, four hundred million, four hundred thirteen thousand, two hundred fifty-seven".

Divisors: 1 11 2953 32483 2316023779 25476261569 6839218219387 75231400413257