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10122021010 = 2523325113537
BaseRepresentation
bin10010110110101000…
…11100100010010010
3222010102100221111001
421123110130202102
5131212214133020
64352222012214
7505555521223
oct113324344222
928112327431
1010122021010
114324687222
121b65a1706a
13c5407125a
146c044724a
153e396250a
hex25b51c892

10122021010 has 32 divisors (see below), whose sum is σ = 19019048832. Its totient is φ = 3871296000.

The previous prime is 10122020981. The next prime is 10122021011. The reversal of 10122021010 is 1012022101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10122021011) 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, 740962 + ... + 754498.

It is an arithmetic number, because the mean of its divisors is an integer number (594345276).

Almost surely, 210122021010 is an apocalyptic number.

10122021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10122021010 is a deficient number, since it is larger than the sum of its proper divisors (8897027822).

10122021010 is a wasteful number, since it uses less digits than its factorization.

10122021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16818.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10122021010 its reverse (1012022101), we get a palindrome (11134043111).

The spelling of 10122021010 in words is "ten billion, one hundred twenty-two million, twenty-one thousand, ten".

Divisors: 1 2 5 10 23 46 115 230 3251 6502 13537 16255 27074 32510 67685 74773 135370 149546 311351 373865 622702 747730 1556755 3113510 44008787 88017574 220043935 440087870 1012202101 2024404202 5061010505 10122021010