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10210212442 = 26473788677
BaseRepresentation
bin10011000001001001…
…10111101001011010
3222100120022112101101
421200210313221122
5131402303244232
64405052142014
7511006242133
oct114044675132
928316275341
1010210212442
11436a442801
121b8b46790a
13c6940bc31
146cc042c8a
153eb5831e7
hex260937a5a

10210212442 has 8 divisors (see below), whose sum is σ = 15317704116. Its totient is φ = 5104311072.

The previous prime is 10210212433. The next prime is 10210212449. The reversal of 10210212442 is 24421201201.

It can be written as a sum of positive squares in 2 ways, for example, as 9065134521 + 1145077921 = 95211^2 + 33839^2 .

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

It is a super-2 number, since 2×102102124422 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10210212449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381393 + ... + 407284.

Almost surely, 210210212442 is an apocalyptic number.

10210212442 is a deficient number, since it is larger than the sum of its proper divisors (5107491674).

10210212442 is an equidigital number, since it uses as much as digits as its factorization.

10210212442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795152.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10210212442 its reverse (24421201201), we get a palindrome (34631413643).

The spelling of 10210212442 in words is "ten billion, two hundred ten million, two hundred twelve thousand, four hundred forty-two".

Divisors: 1 2 6473 12946 788677 1577354 5105106221 10210212442