Search a number
-
+
127525240147357 = 1373197368108741
BaseRepresentation
bin11100111111101111001000…
…101000111000110110011101
3121201112021221020202001121201
4130333233020220320312131
5113203333142434203412
61131120141521355501
735601252222063343
oct3477571050706635
9551467836661551
10127525240147357
11376a717253a268
12123772b4a98b91
13562076a0ac4b0
14236c37c705993
15eb2356794e57
hex73fbc8a38d9d

127525240147357 has 16 divisors (see below), whose sum is σ = 139286736349488. Its totient is φ = 116044216081920.

The previous prime is 127525240147321. The next prime is 127525240147429. The reversal of 127525240147357 is 753741042525721.

It can be written as a sum of positive squares in 8 ways, for example, as 195252631876 + 127329987515481 = 441874^2 + 11284059^2 .

It is a cyclic number.

It is not a de Polignac number, because 127525240147357 - 219 = 127525239623069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127525240147298 and 127525240147307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127525240147057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32181994 + ... + 35926747.

It is an arithmetic number, because the mean of its divisors is an integer number (8705421021843).

Almost surely, 2127525240147357 is an apocalyptic number.

It is an amenable number.

127525240147357 is a deficient number, since it is larger than the sum of its proper divisors (11761496202131).

127525240147357 is a wasteful number, since it uses less digits than its factorization.

127525240147357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68110800.

The product of its (nonzero) digits is 16464000, while the sum is 55.

The spelling of 127525240147357 in words is "one hundred twenty-seven trillion, five hundred twenty-five billion, two hundred forty million, one hundred forty-seven thousand, three hundred fifty-seven".

Divisors: 1 13 73 949 1973 25649 144029 1872377 68108741 885413633 4971938093 64635195209 134378545993 1746921097909 9809633857489 127525240147357