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12861960026 = 228322724311
BaseRepresentation
bin10111111101010000…
…11110111101011010
31020012101001021012212
423332220132331122
5202320130210101
65524140235122
7633505566506
oct137650367532
936171037185
1012861960026
115500271a33
1225ab53baa2
13129c8cc846
148a02b5306
155042861bb
hex2fea1ef5a

12861960026 has 8 divisors (see below), whose sum is σ = 19361113824. Its totient is φ = 6408255420.

The previous prime is 12861959963. The next prime is 12861960037. The reversal of 12861960026 is 62006916821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11361590 + ... + 11362721.

It is an arithmetic number, because the mean of its divisors is an integer number (2420139228).

Almost surely, 212861960026 is an apocalyptic number.

12861960026 is a deficient number, since it is larger than the sum of its proper divisors (6499153798).

12861960026 is a wasteful number, since it uses less digits than its factorization.

12861960026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22724596.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 12861960026 in words is "twelve billion, eight hundred sixty-one million, nine hundred sixty thousand, twenty-six".

Divisors: 1 2 283 566 22724311 45448622 6430980013 12861960026