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2030621465631 = 311131874666261
BaseRepresentation
bin11101100011001010011…
…110001001110000011111
321012010101111112110220210
4131203022132021300133
5231232203043400011
64152504333143503
7266464456445043
oct35431236116037
97163344473823
102030621465631
117131aa974180
1228966b02ab93
131196435cc5c5
14703d566c023
1537c4b4646a6
hex1d8ca789c1f

2030621465631 has 16 divisors (see below), whose sum is σ = 2953855836288. Its totient is φ = 1230586087200.

The previous prime is 2030621465617. The next prime is 2030621465641. The reversal of 2030621465631 is 1365641260302.

It is not a de Polignac number, because 2030621465631 - 27 = 2030621465503 is a prime.

It is a super-2 number, since 2×20306214656312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2030621465631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030621465641) 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, 1897960 + ... + 2768301.

It is an arithmetic number, because the mean of its divisors is an integer number (184615989768).

Almost surely, 22030621465631 is an apocalyptic number.

2030621465631 is a deficient number, since it is larger than the sum of its proper divisors (923234370657).

2030621465631 is a wasteful number, since it uses less digits than its factorization.

2030621465631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679462.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 2030621465631 in words is "two trillion, thirty billion, six hundred twenty-one million, four hundred sixty-five thousand, six hundred thirty-one".

Divisors: 1 3 11 33 13187 39561 145057 435171 4666261 13998783 51328871 153986613 61533983807 184601951421 676873821877 2030621465631