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2103157199990 = 2572111967306517
BaseRepresentation
bin11110100110101101111…
…100000001010001110110
321110001121122022120101202
4132212231330001101312
5233424231220344430
64250102125452502
7304643124144200
oct36465574012166
97401548276352
102103157199990
11740a42456a80
1229b733111132
131234331a8492
1473b16d57770
1539a944add45
hex1e9adf01476

2103157199990 has 192 divisors, whose sum is σ = 5132435477760. Its totient is φ = 611756893440.

The previous prime is 2103157199939. The next prime is 2103157200043. The reversal of 2103157199990 is 999917513012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6708212 + ... + 7014728.

It is an arithmetic number, because the mean of its divisors is an integer number (26731434780).

Almost surely, 22103157199990 is an apocalyptic number.

2103157199990 is an abundant number, since it is smaller than the sum of its proper divisors (3029278277770).

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

2103157199990 is a wasteful number, since it uses less digits than its factorization.

2103157199990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306635 (or 306628 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 56.

The spelling of 2103157199990 in words is "two trillion, one hundred three billion, one hundred fifty-seven million, one hundred ninety-nine thousand, nine hundred ninety".