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20119340157 = 374603208139
BaseRepresentation
bin10010101111001101…
…001100010001111101
31220221011002101011120
4102233031030101331
5312201022341112
613124231141153
71311401366250
oct225715142175
956834071146
1020119340157
118594930054
123a95b147b9
131b88330407
14d8c0ad097
157cb490e8c
hex4af34c47d

20119340157 has 16 divisors (see below), whose sum is σ = 30664849920. Its totient is φ = 11494212912.

The previous prime is 20119340147. The next prime is 20119340161. The reversal of 20119340157 is 75104391102.

It is not a de Polignac number, because 20119340157 - 26 = 20119340093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20119340117) 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, 7407 + ... + 200732.

It is an arithmetic number, because the mean of its divisors is an integer number (1916553120).

Almost surely, 220119340157 is an apocalyptic number.

It is an amenable number.

20119340157 is a deficient number, since it is larger than the sum of its proper divisors (10545509763).

20119340157 is a wasteful number, since it uses less digits than its factorization.

20119340157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212752.

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 20119340157 in words is "twenty billion, one hundred nineteen million, three hundred forty thousand, one hundred fifty-seven".

Divisors: 1 3 7 21 4603 13809 32221 96663 208139 624417 1456973 4370919 958063817 2874191451 6706446719 20119340157