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190542254994 = 232713294011247
BaseRepresentation
bin1011000101110100110…
…1000001001110010010
3200012211012212110101100
42301131031001032102
511110212304124434
6223311153445230
716523546305260
oct2613515011622
9605735773340
10190542254994
1173899154413
1230b18270816
1314c77a8cb60
149317d93430
154e52ec9699
hex2c5d341392

190542254994 has 96 divisors (see below), whose sum is σ = 525633937920. Its totient is φ = 48520031616.

The previous prime is 190542254983. The next prime is 190542254999. The reversal of 190542254994 is 499452245091.

190542254994 is a `hidden beast` number, since 1 + 9 + 0 + 5 + 4 + 2 + 2 + 549 + 94 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 190542254994.

It is not an unprimeable number, because it can be changed into a prime (190542254999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1958122 + ... + 2053125.

It is an arithmetic number, because the mean of its divisors is an integer number (5475353520).

Almost surely, 2190542254994 is an apocalyptic number.

190542254994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

190542254994 is an abundant number, since it is smaller than the sum of its proper divisors (335091682926).

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

190542254994 is a wasteful number, since it uses less digits than its factorization.

190542254994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011304 (or 4011301 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 190542254994 in words is "one hundred ninety billion, five hundred forty-two million, two hundred fifty-four thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 29 39 42 58 63 78 87 91 117 126 174 182 203 234 261 273 377 406 522 546 609 754 819 1131 1218 1638 1827 2262 2639 3393 3654 5278 6786 7917 15834 23751 47502 4011247 8022494 12033741 24067482 28078729 36101223 52146211 56157458 72202446 84236187 104292422 116326163 156438633 168472374 232652326 252708561 312877266 348978489 365023477 469315899 505417122 697956978 730046954 814283141 938631798 1046935467 1095070431 1512240119 1628566282 2093870934 2190140862 2442849423 3024480238 3285211293 4536720357 4885698846 6570422586 7328548269 9073440714 10585680833 13610161071 14657096538 21171361666 27220322142 31757042499 63514084998 95271127497 190542254994