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20210021058 = 2381111873499
BaseRepresentation
bin10010110100100111…
…000111001011000010
31221011110201102222110
4102310213013023002
5312342231133213
613141230520150
71313552226123
oct226447071302
957143642873
1020210021058
118631036a47
123b00366056
131ba1060256
14d9a15604a
157d44045c3
hex4b49c72c2

20210021058 has 32 divisors (see below), whose sum is σ = 40515552000. Its totient is φ = 6720777360.

The previous prime is 20210021021. The next prime is 20210021059. The reversal of 20210021058 is 85012001202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20210021059) 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, 5774193 + ... + 5777691.

It is an arithmetic number, because the mean of its divisors is an integer number (1266111000).

Almost surely, 220210021058 is an apocalyptic number.

20210021058 is an abundant number, since it is smaller than the sum of its proper divisors (20305530942).

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

20210021058 is a wasteful number, since it uses less digits than its factorization.

20210021058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502.

The product of its (nonzero) digits is 320, while the sum is 21.

The spelling of 20210021058 in words is "twenty billion, two hundred ten million, twenty-one thousand, fifty-eight".

Divisors: 1 2 3 6 811 1187 1622 2374 2433 3499 3561 4866 6998 7122 10497 20994 962657 1925314 2837689 2887971 4153313 5675378 5775942 8306626 8513067 12459939 17026134 24919878 3368336843 6736673686 10105010529 20210021058