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10121219974 = 271373191089
BaseRepresentation
bin10010110110100010…
…11000111110000110
3222010100212020200001
421123101120332012
5131212013014344
64352152511514
7505545643645
oct113321307606
928110766601
1010121219974
11432418a408
121b656ab59a
13c53b50778
146c02b935c
153e3854ed4
hex25b458f86

10121219974 has 16 divisors (see below), whose sum is σ = 15437014560. Its totient is φ = 4975931520.

The previous prime is 10121219939. The next prime is 10121219981. The reversal of 10121219974 is 47991212101.

It is a happy number.

10121219974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42579 + ... + 148510.

It is an arithmetic number, because the mean of its divisors is an integer number (964813410).

Almost surely, 210121219974 is an apocalyptic number.

10121219974 is a deficient number, since it is larger than the sum of its proper divisors (5315794586).

10121219974 is a wasteful number, since it uses less digits than its factorization.

10121219974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191535.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 10121219974 in words is "ten billion, one hundred twenty-one million, two hundred nineteen thousand, nine hundred seventy-four".

Divisors: 1 2 71 142 373 746 26483 52966 191089 382178 13567319 27134638 71276197 142552394 5060609987 10121219974