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2021000220097 = 31181957358291
BaseRepresentation
bin11101011010001101000…
…000000000110111000001
321011012112222110120020121
4131122031000000313001
5231103002024020342
64144233520340241
7266004161300365
oct35321500006701
97135488416217
102021000220097
1170a112a33a91
12287824a74681
1311876c225401
146db6193d2a5
1537886970067
hex1d68d000dc1

2021000220097 has 8 divisors (see below), whose sum is σ = 2086211063552. Its totient is φ = 1955790457200.

The previous prime is 2021000220091. The next prime is 2021000220139. The reversal of 2021000220097 is 7900220001202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021000220097 - 27 = 2021000219969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021000220091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5461522 + ... + 5819812.

It is an arithmetic number, because the mean of its divisors is an integer number (260776382944).

Almost surely, 22021000220097 is an apocalyptic number.

It is an amenable number.

2021000220097 is a deficient number, since it is larger than the sum of its proper divisors (65210843455).

2021000220097 is a wasteful number, since it uses less digits than its factorization.

2021000220097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540279.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 2021000220097 its reverse (7900220001202), we get a palindrome (9921220221299).

The spelling of 2021000220097 in words is "two trillion, twenty-one billion, two hundred twenty thousand, ninety-seven".

Divisors: 1 31 181957 358291 5640667 11107021 65193555487 2021000220097