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10221770742 = 237123994767
BaseRepresentation
bin10011000010100001…
…11101011111110110
3222101101001202101120
421201100331133312
5131413233130432
64410144004410
7511206421611
oct114120753766
928341052346
1010221770742
114375a17717
121b93300706
13c6b927b71
146cd7b1178
153ec5b7c2c
hex26143d7f6

10221770742 has 16 divisors (see below), whose sum is σ = 20731479552. Its totient is φ = 3359267240.

The previous prime is 10221770723. The next prime is 10221770743. The reversal of 10221770742 is 24707712201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221770743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11996958 + ... + 11997809.

It is an arithmetic number, because the mean of its divisors is an integer number (1295717472).

Almost surely, 210221770742 is an apocalyptic number.

10221770742 is an abundant number, since it is smaller than the sum of its proper divisors (10509708810).

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

10221770742 is a wasteful number, since it uses less digits than its factorization.

10221770742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23994843.

The product of its (nonzero) digits is 10976, while the sum is 33.

The spelling of 10221770742 in words is "ten billion, two hundred twenty-one million, seven hundred seventy thousand, seven hundred forty-two".

Divisors: 1 2 3 6 71 142 213 426 23994767 47989534 71984301 143968602 1703628457 3407256914 5110885371 10221770742