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10122021142 = 213736941683
BaseRepresentation
bin10010110110101000…
…11100100100010110
3222010102100221122221
421123110130210112
5131212214134032
64352222012554
7505555521502
oct113324344426
928112327587
1010122021142
114324687332
121b65a1715a
13c5407132c
146c0447302
153e3962597
hex25b51c916

10122021142 has 8 divisors (see below), whose sum is σ = 15293857176. Its totient is φ = 5024068752.

The previous prime is 10122021139. The next prime is 10122021157. The reversal of 10122021142 is 24112022101.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18470568 + ... + 18471115.

It is an arithmetic number, because the mean of its divisors is an integer number (1911732147).

Almost surely, 210122021142 is an apocalyptic number.

10122021142 is a deficient number, since it is larger than the sum of its proper divisors (5171836034).

10122021142 is a wasteful number, since it uses less digits than its factorization.

10122021142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36941822.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10122021142 its reverse (24112022101), we get a palindrome (34234043243).

The spelling of 10122021142 in words is "ten billion, one hundred twenty-two million, twenty-one thousand, one hundred forty-two".

Divisors: 1 2 137 274 36941683 73883366 5061010571 10122021142