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142722139354 = 21731859131759
BaseRepresentation
bin1000010011101011100…
…1110000010011011010
3111122101112212212221021
42010322321300103122
54314243331424404
6145322102433054
713211534111434
oct2047271602332
9448345785837
10142722139354
1155589a21793
12237b143278a
13105c682a842
146c9cd85654
153aa4bcb454
hex213ae704da

142722139354 has 16 divisors (see below), whose sum is σ = 226685174400. Its totient is φ = 67160741824.

The previous prime is 142722139271. The next prime is 142722139369. The reversal of 142722139354 is 453931227241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142722139354.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017327 + ... + 1149085.

It is an arithmetic number, because the mean of its divisors is an integer number (14167823400).

Almost surely, 2142722139354 is an apocalyptic number.

142722139354 is a deficient number, since it is larger than the sum of its proper divisors (83963035046).

142722139354 is a wasteful number, since it uses less digits than its factorization.

142722139354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163637.

The product of its digits is 362880, while the sum is 43.

The spelling of 142722139354 in words is "one hundred forty-two billion, seven hundred twenty-two million, one hundred thirty-nine thousand, three hundred fifty-four".

Divisors: 1 2 17 34 31859 63718 131759 263518 541603 1083206 2239903 4479806 4197709981 8395419962 71361069677 142722139354