Search a number
-
+
150404014481 = 721486287783
BaseRepresentation
bin1000110000010011000…
…1110010000110010001
3112101012220200120112212
42030010301302012101
54431011411430411
6153032240001505
713603103013020
oct2140461620621
9471186616485
10150404014481
1158871166216
1225196000295
131124c198096
1473cb2bc8b7
153da42d768b
hex2304c72191

150404014481 has 4 divisors (see below), whose sum is σ = 171890302272. Its totient is φ = 128917726692.

The previous prime is 150404014469. The next prime is 150404014529. The reversal of 150404014481 is 184410404051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 184410404051 = 832221812097.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-150404014481 is a prime.

It is a super-2 number, since 2×1504040144812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150404014451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10743143885 + ... + 10743143898.

It is an arithmetic number, because the mean of its divisors is an integer number (42972575568).

Almost surely, 2150404014481 is an apocalyptic number.

It is an amenable number.

150404014481 is a deficient number, since it is larger than the sum of its proper divisors (21486287791).

150404014481 is an equidigital number, since it uses as much as digits as its factorization.

150404014481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21486287790.

The product of its (nonzero) digits is 10240, while the sum is 32.

The spelling of 150404014481 in words is "one hundred fifty billion, four hundred four million, fourteen thousand, four hundred eighty-one".

Divisors: 1 7 21486287783 150404014481