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10122021145 = 519106547591
BaseRepresentation
bin10010110110101000…
…11100100100011001
3222010102100221200001
421123110130210121
5131212214134040
64352222013001
7505555521505
oct113324344431
928112327601
1010122021145
114324687335
121b65a17161
13c54071332
146c0447305
153e396259a
hex25b51c919

10122021145 has 8 divisors (see below), whose sum is σ = 12785711040. Its totient is φ = 7671426480.

The previous prime is 10122021139. The next prime is 10122021157. The reversal of 10122021145 is 54112022101.

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

It is not a de Polignac number, because 10122021145 - 211 = 10122019097 is a prime.

It is a super-2 number, since 2×101220211452 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53273701 + ... + 53273890.

It is an arithmetic number, because the mean of its divisors is an integer number (1598213880).

Almost surely, 210122021145 is an apocalyptic number.

It is an amenable number.

10122021145 is a deficient number, since it is larger than the sum of its proper divisors (2663689895).

10122021145 is a wasteful number, since it uses less digits than its factorization.

10122021145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106547615.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 10122021145 its reverse (54112022101), we get a palindrome (64234043246).

The spelling of 10122021145 in words is "ten billion, one hundred twenty-two million, twenty-one thousand, one hundred forty-five".

Divisors: 1 5 19 95 106547591 532737955 2024404229 10122021145