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20196412148 = 221117231173937
BaseRepresentation
bin10010110011110011…
…001100101011110100
31221010112010001001202
4102303303030223310
5312330240142043
613140023112032
71313325446033
oct226363145364
957115101052
1020196412148
118624391410
123ab78a2618
131b9b2a6b43
14d9841271a
157d31171b8
hex4b3cccaf4

20196412148 has 48 divisors (see below), whose sum is σ = 42599862144. Its totient is φ = 8264509440.

The previous prime is 20196412141. The next prime is 20196412151. The reversal of 20196412148 is 84121469102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20196412141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 569765 + ... + 604172.

It is an arithmetic number, because the mean of its divisors is an integer number (887497128).

Almost surely, 220196412148 is an apocalyptic number.

It is an amenable number.

20196412148 is an abundant number, since it is smaller than the sum of its proper divisors (22403449996).

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

20196412148 is a wasteful number, since it uses less digits than its factorization.

20196412148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173992 (or 1173990 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 20196412148 in words is "twenty billion, one hundred ninety-six million, four hundred twelve thousand, one hundred forty-eight".

Divisors: 1 2 4 11 17 22 23 34 44 46 68 92 187 253 374 391 506 748 782 1012 1564 4301 8602 17204 1173937 2347874 4695748 12913307 19956929 25826614 27000551 39913858 51653228 54001102 79827716 108002204 219526219 297006061 439052438 459009367 594012122 878104876 918018734 1188024244 1836037468 5049103037 10098206074 20196412148