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150917487361 = 3884812
BaseRepresentation
bin1000110010001101100…
…0100001101100000001
3112102112200212200220221
42030203120201230001
54433034334043421
6153155221303041
713621606322344
oct2144330415401
9472480780827
10150917487361
1159004a94a73
12252b9b64a81
13113016896a4
14743958045b
153dd4412841
hex2323621b01

150917487361 has 3 divisors (see below), whose sum is σ = 150917875843. Its totient is φ = 150917098880.

The previous prime is 150917487319. The next prime is 150917487373. The reversal of 150917487361 is 163784719051.

The square root of 150917487361 is 388481.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 163784719051 = 568572880643.

It can be written as a sum of positive squares in only one way, i.e., 137219125761 + 13698361600 = 370431^2 + 117040^2 .

It is not a de Polignac number, because 150917487361 - 221 = 150915390209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150917487299 and 150917487308.

It is not an unprimeable number, because it can be changed into a prime (150917487311) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 194241 + ... + 582721.

Almost surely, 2150917487361 is an apocalyptic number.

150917487361 is the 388481-st square number.

150917487361 is the 194241-st centered octagonal number.

It is an amenable number.

150917487361 is a deficient number, since it is larger than the sum of its proper divisors (388482).

150917487361 is an frugal number, since it uses more digits than its factorization.

150917487361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776962 (or 388481 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 150917487361 in words is "one hundred fifty billion, nine hundred seventeen million, four hundred eighty-seven thousand, three hundred sixty-one".

Divisors: 1 388481 150917487361