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142395797654 = 21121943720211
BaseRepresentation
bin1000010010011101110…
…0110111000010010110
3111121112210211000021122
42010213130313002112
54313111311011104
6145225444043542
713200462211055
oct2044734670226
9447483730248
10142395797654
1155431796400
12237200935b2
1310574038c46
146c6b8b639c
153a862176be
hex2127737096

142395797654 has 48 divisors (see below), whose sum is σ = 252880837440. Its totient is φ = 59892663600.

The previous prime is 142395797633. The next prime is 142395797689. The reversal of 142395797654 is 456797593241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162392 + ... + 557819.

It is an arithmetic number, because the mean of its divisors is an integer number (5268350780).

Almost surely, 2142395797654 is an apocalyptic number.

142395797654 is a deficient number, since it is larger than the sum of its proper divisors (110485039786).

142395797654 is a wasteful number, since it uses less digits than its factorization.

142395797654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720297 (or 720286 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 62.

It can be divided in two parts, 142395 and 797654, that added together give a palindrome (940049).

The spelling of 142395797654 in words is "one hundred forty-two billion, three hundred ninety-five million, seven hundred ninety-seven thousand, six hundred fifty-four".

Divisors: 1 2 11 19 22 38 43 86 121 209 242 418 473 817 946 1634 2299 4598 5203 8987 10406 17974 98857 197714 720211 1440422 7922321 13684009 15844642 27368018 30969073 61938146 87145531 150524099 174291062 301048198 340659803 588412387 681319606 1176824774 1655765089 3311530178 3747257833 6472536257 7494515666 12945072514 71197898827 142395797654