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10142147742 = 2317433229637
BaseRepresentation
bin10010111001000010…
…01110010010011110
3222011211020111011120
421130201032102132
5131232342211432
64354221231410
7506221555566
oct113441162236
928154214146
1010142147742
114334a83791
121b70702566
13c5829a26c
146c2da5da6
153e55dac2c
hex25c84e49e

10142147742 has 32 divisors (see below), whose sum is σ = 21527184672. Its totient is φ = 3174488064.

The previous prime is 10142147711. The next prime is 10142147747. The reversal of 10142147742 is 24774124101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142147747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70653 + ... + 158984.

It is an arithmetic number, because the mean of its divisors is an integer number (672724521).

Almost surely, 210142147742 is an apocalyptic number.

10142147742 is an abundant number, since it is smaller than the sum of its proper divisors (11385036930).

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

10142147742 is a wasteful number, since it uses less digits than its factorization.

10142147742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230092.

The product of its (nonzero) digits is 12544, while the sum is 33.

The spelling of 10142147742 in words is "ten billion, one hundred forty-two million, one hundred forty-seven thousand, seven hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 433 866 1299 2598 7361 14722 22083 44166 229637 459274 688911 1377822 3903829 7807658 11711487 23422974 99432821 198865642 298298463 596596926 1690357957 3380715914 5071073871 10142147742