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321210130242 = 23118145330247
BaseRepresentation
bin1001010110010011001…
…11011001111101000010
31010201002200112021121110
410223021213121331002
520230314243131432
6403321211504150
732130613025631
oct4531147317502
91121080467543
10321210130242
11114251821061
1252304758056
13243a0136931
1411792033518
15854e7b6dcc
hex4ac99d9f42

321210130242 has 16 divisors (see below), whose sum is σ = 642964237632. Its totient is φ = 106979380560.

The previous prime is 321210130229. The next prime is 321210130253. The reversal of 321210130242 is 242031012123.

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, 22658038 + ... + 22672209.

It is an arithmetic number, because the mean of its divisors is an integer number (40185264852).

Almost surely, 2321210130242 is an apocalyptic number.

321210130242 is an abundant number, since it is smaller than the sum of its proper divisors (321754107390).

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

321210130242 is a wasteful number, since it uses less digits than its factorization.

321210130242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45331433.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 321210130242 its reverse (242031012123), we get a palindrome (563241142365).

The spelling of 321210130242 in words is "three hundred twenty-one billion, two hundred ten million, one hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 3 6 1181 2362 3543 7086 45330247 90660494 135990741 271981482 53535021707 107070043414 160605065121 321210130242