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154734680140 = 22513756472511
BaseRepresentation
bin1001000000011011100…
…1111101100001001100
3112210101201121012000021
42100012321331201030
510013344034231030
6155030101111524
714115320036305
oct2200671754114
9483351535007
10154734680140
115a693769447
1225ba43b85a4
131178c463541
1476bc5097ac
1540595c797a
hex2406e7d84c

154734680140 has 24 divisors (see below), whose sum is σ = 327314679552. Its totient is φ = 61442090880.

The previous prime is 154734680129. The next prime is 154734680159. The reversal of 154734680140 is 41086437451.

It is a super-2 number, since 2×1547346801402 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28233516 + ... + 28238995.

It is an arithmetic number, because the mean of its divisors is an integer number (13638111648).

Almost surely, 2154734680140 is an apocalyptic number.

154734680140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154734680140 is an abundant number, since it is smaller than the sum of its proper divisors (172579999412).

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

154734680140 is a wasteful number, since it uses less digits than its factorization.

154734680140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56472657 (or 56472655 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 154734680140 in words is "one hundred fifty-four billion, seven hundred thirty-four million, six hundred eighty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 56472511 112945022 225890044 282362555 564725110 1129450220 7736734007 15473468014 30946936028 38683670035 77367340070 154734680140