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141974321502 = 23138323991757
BaseRepresentation
bin1000010000111001010…
…1000011100101011110
3111120110102201210200210
42010032111003211132
54311230411242002
6145115550233250
713154153551446
oct2041625034536
9446412653623
10141974321502
1155235892102
1223622ab5826
1310507918380
146c2b921126
153a5e21096c
hex210e54395e

141974321502 has 64 divisors (see below), whose sum is σ = 310773335040. Its totient is φ = 42977042304.

The previous prime is 141974321479. The next prime is 141974321507. The reversal of 141974321502 is 205123479141.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141974321507) 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 31 ways as a sum of consecutive naturals, for example, 1501408 + ... + 1593164.

It is an arithmetic number, because the mean of its divisors is an integer number (4855833360).

Almost surely, 2141974321502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 141974321502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155386667520).

141974321502 is an abundant number, since it is smaller than the sum of its proper divisors (168799013538).

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

141974321502 is a wasteful number, since it uses less digits than its factorization.

141974321502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92097.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 141974321502 in words is "one hundred forty-one billion, nine hundred seventy-four million, three hundred twenty-one thousand, five hundred two".

Divisors: 1 2 3 6 13 26 39 78 83 166 239 249 478 498 717 1079 1434 2158 3107 3237 6214 6474 9321 18642 19837 39674 59511 91757 119022 183514 257881 275271 515762 550542 773643 1192841 1547286 2385682 3578523 7157046 7615831 15231662 21929923 22847493 43859846 45694986 65789769 99005803 131579538 198011606 285088999 297017409 570177998 594034818 855266997 1710533994 1820183609 3640367218 5460550827 10921101654 23662386917 47324773834 70987160751 141974321502