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149407888384 = 210145906141
BaseRepresentation
bin1000101100100101100…
…1110111010000000000
3112021122111022010102201
42023021121313100000
54421441404412014
6152345333322544
713536316045216
oct2131131672000
9467574263381
10149407888384
11583aa948a07
1224b58496454
13111209b6261
147334c9ccb6
153d46b1de74
hex22c9677400

149407888384 has 22 divisors (see below), whose sum is σ = 298669872674. Its totient is φ = 74703943680.

The previous prime is 149407888363. The next prime is 149407888411. The reversal of 149407888384 is 483888704941.

It can be written as a sum of positive squares in only one way, i.e., 97423888384 + 51984000000 = 312128^2 + 228000^2 .

It is a super-2 number, since 2×1494078883842 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72952047 + ... + 72954094.

Almost surely, 2149407888384 is an apocalyptic number.

It is an amenable number.

149407888384 is a deficient number, since it is larger than the sum of its proper divisors (149261984290).

149407888384 is an equidigital number, since it uses as much as digits as its factorization.

149407888384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145906161 (or 145906143 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 64.

The spelling of 149407888384 in words is "one hundred forty-nine billion, four hundred seven million, eight hundred eighty-eight thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 145906141 291812282 583624564 1167249128 2334498256 4668996512 9337993024 18675986048 37351972096 74703944192 149407888384