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148940430840 = 23325413723419
BaseRepresentation
bin1000101010110110001…
…0101001110111111000
3112020102220200211020100
42022231202221313320
54420012222241330
6152231114155400
713521611526225
oct2125542516770
9466386624210
10148940430840
115818aa99163
1224a47a22b60
1311077bb6466
1472ccb7894c
153d1aa83060
hex22ad8a9df8

148940430840 has 48 divisors (see below), whose sum is σ = 484056401400. Its totient is φ = 39717448128.

The previous prime is 148940430833. The next prime is 148940430901. The reversal of 148940430840 is 48034049841.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 206861350 + ... + 206862069.

Almost surely, 2148940430840 is an apocalyptic number.

148940430840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148940430840 is an abundant number, since it is smaller than the sum of its proper divisors (335115970560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148940430840 is a wasteful number, since it uses less digits than its factorization.

148940430840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413723436 (or 413723429 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 148940430840 in words is "one hundred forty-eight billion, nine hundred forty million, four hundred thirty thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 413723419 827446838 1241170257 1654893676 2068617095 2482340514 3309787352 3723510771 4137234190 4964681028 6205851285 7447021542 8274468380 9929362056 12411702570 14894043084 16548936760 18617553855 24823405140 29788086168 37235107710 49646810280 74470215420 148940430840