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149234474473 = 7257694711941
BaseRepresentation
bin1000101011111100010…
…0010101110111101001
3112021012101222210021021
42022333010111313221
54421113011140343
6152320220412441
713532112050260
oct2127704256751
9467171883237
10149234474473
1158320a74527
1224b0a3a7121
13110c3aaa086
147319c3b5d7
153d367b70ed
hex22bf115de9

149234474473 has 16 divisors (see below), whose sum is σ = 171256305024. Its totient is φ = 127388528640.

The previous prime is 149234474447. The next prime is 149234474491. The reversal of 149234474473 is 374474432941.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-149234474473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149234474473.

It is not an unprimeable number, because it can be changed into a prime (149234474573) 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, 12491683 + ... + 12503623.

It is an arithmetic number, because the mean of its divisors is an integer number (10703519064).

Almost surely, 2149234474473 is an apocalyptic number.

It is an amenable number.

149234474473 is a deficient number, since it is larger than the sum of its proper divisors (22021830551).

149234474473 is a wasteful number, since it uses less digits than its factorization.

149234474473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19152.

The product of its digits is 8128512, while the sum is 52.

The spelling of 149234474473 in words is "one hundred forty-nine billion, two hundred thirty-four million, four hundred seventy-four thousand, four hundred seventy-three".

Divisors: 1 7 257 1799 6947 11941 48629 83587 1785379 3068837 12497653 21481859 82954127 580678889 21319210639 149234474473