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1270892942 = 211317182233
BaseRepresentation
bin100101111000000…
…0100100110001110
310021120102001100222
41023300010212032
510100322033232
6330035351342
743331261144
oct11360044616
93246361328
101270892942
115a2427750
122b5752552
131733b6577
14c0b05594
1576890d12
hex4bc0498e

1270892942 has 16 divisors (see below), whose sum is σ = 2086214832. Its totient is φ = 575853120.

The previous prime is 1270892927. The next prime is 1270892951. The reversal of 1270892942 is 2492980721.

It is a junction number, because it is equal to n+sod(n) for n = 1270892893 and 1270892902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84143 + ... + 98090.

It is an arithmetic number, because the mean of its divisors is an integer number (130388427).

Almost surely, 21270892942 is an apocalyptic number.

1270892942 is a deficient number, since it is larger than the sum of its proper divisors (815321890).

1270892942 is a wasteful number, since it uses less digits than its factorization.

1270892942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182563.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1270892942 is about 35649.5854393848. The cubic root of 1270892942 is about 1083.1858779869.

It can be divided in two parts, 127089 and 2942, that added together give a palindrome (130031).

The spelling of 1270892942 in words is "one billion, two hundred seventy million, eight hundred ninety-two thousand, nine hundred forty-two".

Divisors: 1 2 11 22 317 634 3487 6974 182233 364466 2004563 4009126 57767861 115535722 635446471 1270892942