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14637451990 = 25721913911311
BaseRepresentation
bin11011010000111010…
…11100101011010110
31101210002221121022111
431220131130223112
5214434141430430
610420243221234
71025505201100
oct155035345326
941702847274
1014637451990
116231507367
122a0607781a
1314c36bb5c5
149cc00c570
155aa09cc2a
hex36875cad6

14637451990 has 96 divisors (see below), whose sum is σ = 32497113600. Its totient is φ = 4719798720.

The previous prime is 14637451981. The next prime is 14637452033. The reversal of 14637451990 is 9915473641.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1288435 + ... + 1299745.

It is an arithmetic number, because the mean of its divisors is an integer number (338511600).

Almost surely, 214637451990 is an apocalyptic number.

14637451990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14637451990 is an abundant number, since it is smaller than the sum of its proper divisors (17859661610).

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

14637451990 is a wasteful number, since it uses less digits than its factorization.

14637451990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11490 (or 11483 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 14637451990 in words is "fourteen billion, six hundred thirty-seven million, four hundred fifty-one thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 19 35 38 49 70 95 98 133 139 190 245 266 278 490 665 695 931 973 1330 1390 1862 1946 2641 4655 4865 5282 6811 9310 9730 11311 13205 13622 18487 22622 26410 34055 36974 56555 68110 79177 92435 113110 129409 158354 184870 214909 258818 395885 429818 554239 647045 791770 1074545 1108478 1294090 1504363 1572229 2149090 2771195 3008726 3144458 5542390 7521815 7861145 10530541 11005603 15043630 15722290 21061082 22011206 29872351 52652705 55028015 59744702 77039221 105305410 110056030 149361755 154078442 209106457 298723510 385196105 418212914 770392210 1045532285 1463745199 2091064570 2927490398 7318725995 14637451990