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31413572006 = 215706786003
BaseRepresentation
bin11101010000011001…
…010001000110100110
310000002021011210121212
4131100121101012212
51003313333301011
622233045511422
72161312646015
oct352031210646
9100067153555
1031413572006
1112360162663
126108412572
132c681b623b
141740090a7c
15c3cca008b
hex7506511a6

31413572006 has 4 divisors (see below), whose sum is σ = 47120358012. Its totient is φ = 15706786002.

The previous prime is 31413571999. The next prime is 31413572011. The reversal of 31413572006 is 60027531413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60027531413 = 72782568819.

It is a super-3 number, since 3×314135720063 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7853393000 + ... + 7853393003.

It is an arithmetic number, because the mean of its divisors is an integer number (11780089503).

Almost surely, 231413572006 is an apocalyptic number.

31413572006 is a deficient number, since it is larger than the sum of its proper divisors (15706786006).

31413572006 is a wasteful number, since it uses less digits than its factorization.

31413572006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15706786005.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 31413572006 in words is "thirty-one billion, four hundred thirteen million, five hundred seventy-two thousand, six".

Divisors: 1 2 15706786003 31413572006