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149887481465428 = 22722333249219491
BaseRepresentation
bin100010000101001001100110…
…000101101100101001010100
3201122201002210022000000010021
4202011021212011230221110
5124121224030223343203
61250441205225234524
743400004343040500
oct4205114605545124
9648632708000107
10149887481465428
1143838a18801923
1214989246332a44
136583437650485
14290284295d300
15124ddb61995bd
hex88526616ca54

149887481465428 has 36 divisors (see below), whose sum is σ = 318394525855392. Its totient is φ = 61444557617520.

The previous prime is 149887481465419. The next prime is 149887481465441. The reversal of 149887481465428 is 824564184788941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16624605238 + ... + 16624614253.

It is an arithmetic number, because the mean of its divisors is an integer number (8844292384872).

Almost surely, 2149887481465428 is an apocalyptic number.

It is an amenable number.

149887481465428 is an abundant number, since it is smaller than the sum of its proper divisors (168507044389964).

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

149887481465428 is a wasteful number, since it uses less digits than its factorization.

149887481465428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33249219532 (or 33249219523 counting only the distinct ones).

The product of its digits is 3963617280, while the sum is 79.

The spelling of 149887481465428 in words is "one hundred forty-nine trillion, eight hundred eighty-seven billion, four hundred eighty-one million, four hundred sixty-five thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 23 28 46 49 92 98 161 196 322 644 1127 2254 4508 33249219491 66498438982 132996877964 232744536437 465489072874 764732048293 930978145748 1529464096586 1629211755059 3058928193172 3258423510118 5353124338051 6516847020236 10706248676102 21412497352204 37471870366357 74943740732714 149887481465428