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20148174102 = 2373712965363
BaseRepresentation
bin10010110000111011…
…001011110100010110
31221000011100021220110
4102300323023310112
5312230413032402
613131141143450
71312201440240
oct226073136426
957004307813
1020148174102
1185aa134461
123aa36bab86
131b912b7714
14d91c57090
157cdc8956c
hex4b0ecbd16

20148174102 has 32 divisors (see below), whose sum is σ = 47297647872. Its totient is φ = 5601036384.

The previous prime is 20148174073. The next prime is 20148174229. The reversal of 20148174102 is 20147184102.

It is a self number, because there is not a number n which added to its sum of digits gives 20148174102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6481128 + ... + 6484235.

It is an arithmetic number, because the mean of its divisors is an integer number (1478051496).

Almost surely, 220148174102 is an apocalyptic number.

20148174102 is an abundant number, since it is smaller than the sum of its proper divisors (27149473770).

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

20148174102 is a wasteful number, since it uses less digits than its factorization.

20148174102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12965412.

The product of its (nonzero) digits is 3584, while the sum is 30.

The spelling of 20148174102 in words is "twenty billion, one hundred forty-eight million, one hundred seventy-four thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 37 42 74 111 222 259 518 777 1554 12965363 25930726 38896089 77792178 90757541 181515082 272272623 479718431 544545246 959436862 1439155293 2878310586 3358029017 6716058034 10074087051 20148174102