Search a number
-
+
154156306455 = 3253425695699
BaseRepresentation
bin1000111110010001101…
…1101001000000010111
3112201220102021202110200
42033210123221000113
510011203003301310
6154452440351543
714065064661534
oct2174433510027
9481812252420
10154156306455
115a417241768
1225a627755b3
13116c969a3a8
147665791d8b
15402392c9c0
hex23e46e9017

154156306455 has 12 divisors (see below), whose sum is σ = 267204264600. Its totient is φ = 82216696752.

The previous prime is 154156306441. The next prime is 154156306463. The reversal of 154156306455 is 554603651451.

154156306455 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 5 + 630 + 6 + 4 + 5 + 5 = 666.

It is not a de Polignac number, because 154156306455 - 210 = 154156305431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3425695699 = 154156306455 / (1 + 5 + 4 + 1 + 5 + 6 + 3 + 0 + 6 + 4 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 154156306455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1712847805 + ... + 1712847894.

It is an arithmetic number, because the mean of its divisors is an integer number (22267022050).

Almost surely, 2154156306455 is an apocalyptic number.

154156306455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

154156306455 is a deficient number, since it is larger than the sum of its proper divisors (113047958145).

154156306455 is a wasteful number, since it uses less digits than its factorization.

154156306455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425695710 (or 3425695707 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 154156306455 in words is "one hundred fifty-four billion, one hundred fifty-six million, three hundred six thousand, four hundred fifty-five".

Divisors: 1 3 5 9 15 45 3425695699 10277087097 17128478495 30831261291 51385435485 154156306455