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19958045058 = 234722514241
BaseRepresentation
bin10010100101100101…
…111001100110000010
31220111220120201220000
4102211211321212002
5311333224420213
613100230100430
71304402404200
oct224545714602
956456521800
1019958045058
118511883716
123a4baaa716
131b60aa8323
14d748c4070
157bc22ec73
hex4a5979982

19958045058 has 60 divisors (see below), whose sum is σ = 52022181222. Its totient is φ = 5702296320.

The previous prime is 19958044987. The next prime is 19958045071. The reversal of 19958045058 is 85054085991.

19958045058 is a `hidden beast` number, since 1 + 9 + 9 + 580 + 4 + 5 + 0 + 58 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15076647369 + 4881397689 = 122787^2 + 69867^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 19958044995 and 19958045013.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1249183 + ... + 1265058.

Almost surely, 219958045058 is an apocalyptic number.

19958045058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

19958045058 is an abundant number, since it is smaller than the sum of its proper divisors (32064136164).

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

19958045058 is a wasteful number, since it uses less digits than its factorization.

19958045058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514269 (or 2514253 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 54.

The spelling of 19958045058 in words is "nineteen billion, nine hundred fifty-eight million, forty-five thousand, fifty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 98 126 147 162 189 294 378 441 567 882 1134 1323 2646 3969 7938 2514241 5028482 7542723 15085446 17599687 22628169 35199374 45256338 52799061 67884507 105598122 123197809 135769014 158397183 203653521 246395618 316794366 369593427 407307042 475191549 739186854 950383098 1108780281 1425574647 2217560562 2851149294 3326340843 6652681686 9979022529 19958045058