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71442662086453 = 723838335293181
BaseRepresentation
bin10000001111101000001010…
…011111101101011100110101
3100100221211222221212002212111
4100033220022133231130311
533331004032443231303
6411540150022451021
721022363524031630
oct2017501237553465
9310854887762774
1071442662086453
11208447322723a9
12801a096b93a71
1330b30250638c8
14138dbb4002c17
1583d5c31d3b6d
hex40fa0a7ed735

71442662086453 has 16 divisors (see below), whose sum is σ = 85199734999296. Its totient is φ = 58573398280320.

The previous prime is 71442662086403. The next prime is 71442662086469. The reversal of 71442662086453 is 35468026624417.

It is not a de Polignac number, because 71442662086453 - 217 = 71442661955381 is a prime.

It is a super-2 number, since 2×714426620864532 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71442662086403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10850523 + ... + 16143703.

It is an arithmetic number, because the mean of its divisors is an integer number (5324983437456).

Almost surely, 271442662086453 is an apocalyptic number.

It is an amenable number.

71442662086453 is a deficient number, since it is larger than the sum of its proper divisors (13757072912843).

71442662086453 is a wasteful number, since it uses less digits than its factorization.

71442662086453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377044.

The product of its (nonzero) digits is 46448640, while the sum is 58.

The spelling of 71442662086453 in words is "seventy-one trillion, four hundred forty-two billion, six hundred sixty-two million, eighty-six thousand, four hundred fifty-three".

Divisors: 1 7 23 161 83833 586831 1928159 5293181 13497113 37052267 121743163 852202141 443743242773 3106202699411 10206094583779 71442662086453