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142270880874 = 2331764897209
BaseRepresentation
bin1000010010000000000…
…0010101110001101010
3111121020002202120200020
42010200000111301222
54312332321141444
6145205222421310
713164414351153
oct2044000256152
9447202676606
10142270880874
11553782265a1
12236a6291836
13105541b00a5
146c5907a92a
153a7a290119
hex2120015c6a

142270880874 has 16 divisors (see below), whose sum is σ = 293720528640. Its totient is φ = 45893832480.

The previous prime is 142270880837. The next prime is 142270880911. The reversal of 142270880874 is 478088072241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142270880837) and next prime (142270880911).

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, 382448419 + ... + 382448790.

It is an arithmetic number, because the mean of its divisors is an integer number (18357533040).

Almost surely, 2142270880874 is an apocalyptic number.

142270880874 is an abundant number, since it is smaller than the sum of its proper divisors (151449647766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142270880874 is a wasteful number, since it uses less digits than its factorization.

142270880874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764897245.

The product of its (nonzero) digits is 1605632, while the sum is 51.

The spelling of 142270880874 in words is "one hundred forty-two billion, two hundred seventy million, eight hundred eighty thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 31 62 93 186 764897209 1529794418 2294691627 4589383254 23711813479 47423626958 71135440437 142270880874