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122000011011987 = 3231768116101623
BaseRepresentation
bin11011101111010101010111…
…010100011010011110010011
3120222222002100112100100111220
4123233111113110122132103
5111442322010304340422
61111250010433540123
734461132001245153
oct3357252724323623
9528862315310456
10122000011011987
1135966a06756509
1211824504a14643
13530c7230483c4
14221ab91188763
15e187785aae5c
hex6ef55751a793

122000011011987 has 8 divisors (see below), whose sum is σ = 169739145755904. Its totient is φ = 77797108471368.

The previous prime is 122000011011979. The next prime is 122000011011997. The reversal of 122000011011987 is 789110110000221.

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

It is not a de Polignac number, because 122000011011987 - 23 = 122000011011979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122000011011947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884058050743 + ... + 884058050880.

It is an arithmetic number, because the mean of its divisors is an integer number (21217393219488).

Almost surely, 2122000011011987 is an apocalyptic number.

122000011011987 is a deficient number, since it is larger than the sum of its proper divisors (47739134743917).

122000011011987 is a wasteful number, since it uses less digits than its factorization.

122000011011987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768116101649.

The product of its (nonzero) digits is 2016, while the sum is 33.

The spelling of 122000011011987 in words is "one hundred twenty-two trillion, eleven million, eleven thousand, nine hundred eighty-seven".

Divisors: 1 3 23 69 1768116101623 5304348304869 40666670337329 122000011011987