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1272422207613 = 313160714533671
BaseRepresentation
bin10010100001000010010…
…001100001000001111101
311111122100021212110001010
4102201002101201001331
5131321410041120423
62412313115505433
7160633544211324
oct22410221410175
94448307773033
101272422207613
114506a4189637
1218672b758279
1392cb17c51ab
144582ab010bb
1523172cac693
hex1284246107d

1272422207613 has 32 divisors (see below), whose sum is σ = 1713975386112. Its totient is φ = 839612030400.

The previous prime is 1272422207603. The next prime is 1272422207659. The reversal of 1272422207613 is 3167022242721.

It is not a de Polignac number, because 1272422207613 - 24 = 1272422207597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272422207603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346612768 + ... + 346616438.

It is an arithmetic number, because the mean of its divisors is an integer number (53561730816).

Almost surely, 21272422207613 is an apocalyptic number.

It is an amenable number.

1272422207613 is a deficient number, since it is larger than the sum of its proper divisors (441553178499).

1272422207613 is a wasteful number, since it uses less digits than its factorization.

1272422207613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 1272422207613 in words is "one trillion, two hundred seventy-two billion, four hundred twenty-two million, two hundred seven thousand, six hundred thirteen".

Divisors: 1 3 131 393 607 1453 1821 3671 4359 11013 79517 190343 238551 480901 571029 881971 1442703 2228297 2645913 5333963 6684891 16001889 115538201 291906907 346614603 698749153 875720721 2096247459 3237715541 9713146623 424140735871 1272422207613