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10121031022020 = 2235570129588467
BaseRepresentation
bin1001001101000111110001…
…1101010111010111000100
31022211120011001110012122120
42103101330131113113010
52311310332420201040
633305312031525540
72063135404143642
oct223217435272704
938746131405576
1010121031022020
11325233a180256
1211756349898b0
13585541b21c99
1426dc0937a192
151284106a67d0
hex9347c7575c4

10121031022020 has 48 divisors (see below), whose sum is σ = 28343858682048. Its totient is φ = 2698468099200.

The previous prime is 10121031022009. The next prime is 10121031022027. The reversal of 10121031022020 is 2022013012101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (10121031022027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14452174 + ... + 15136293.

It is an arithmetic number, because the mean of its divisors is an integer number (590497055876).

Almost surely, 210121031022020 is an apocalyptic number.

10121031022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121031022020 is an abundant number, since it is smaller than the sum of its proper divisors (18222827660028).

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

10121031022020 is a wasteful number, since it uses less digits than its factorization.

10121031022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29594180 (or 29594178 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10121031022020 its reverse (2022013012101), we get a palindrome (12143044034121).

The spelling of 10121031022020 in words is "ten trillion, one hundred twenty-one billion, thirty-one million, twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5701 11402 17103 22804 28505 34206 57010 68412 85515 114020 171030 342060 29588467 59176934 88765401 118353868 147942335 177530802 295884670 355061604 443827005 591769340 887654010 1775308020 168683850367 337367700734 506051551101 674735401468 843419251835 1012103102202 1686838503670 2024206204404 2530257755505 3373677007340 5060515511010 10121031022020