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148657306920 = 23358017154523
BaseRepresentation
bin1000101001110010101…
…0100111110100101000
3112012201011221122020020
42022130222213310220
54413422232310140
6152143042000440
713511603155113
oct2123452476450
9465634848206
10148657306920
11580551a0a51
1224989046120
1311031346c05
1472a331957a
153d00ca96d0
hex229caa7d28

148657306920 has 64 divisors (see below), whose sum is σ = 446030435520. Its totient is φ = 39636747264.

The previous prime is 148657306913. The next prime is 148657306921. The reversal of 148657306920 is 29603756841.

It is not an unprimeable number, because it can be changed into a prime (148657306921) 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, 884779 + ... + 1039301.

It is an arithmetic number, because the mean of its divisors is an integer number (6969225555).

It is a 1-persistent number, because it is pandigital, but 2⋅148657306920 = 297314613840 is not.

Almost surely, 2148657306920 is an apocalyptic number.

148657306920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148657306920 is an abundant number, since it is smaller than the sum of its proper divisors (297373128600).

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

148657306920 is a wasteful number, since it uses less digits than its factorization.

148657306920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162554 (or 162550 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 148657306920 in words is "one hundred forty-eight billion, six hundred fifty-seven million, three hundred six thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 8017 16034 24051 32068 40085 48102 64136 80170 96204 120255 154523 160340 192408 240510 309046 320680 463569 481020 618092 772615 927138 962040 1236184 1545230 1854276 2317845 3090460 3708552 4635690 6180920 9271380 18542760 1238810891 2477621782 3716432673 4955243564 6194054455 7432865346 9910487128 12388108910 14865730692 18582163365 24776217820 29731461384 37164326730 49552435640 74328653460 148657306920