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5031021000 = 2335331471151
BaseRepresentation
bin1001010111101111…
…10100100111001000
3110222121202100101010
410223313310213020
540300420133000
62151120123520
7235446654465
oct45367644710
913877670333
105031021000
1121519755a5
12b84a665a0
13622400505
1435a25866c
151e6a32d50
hex12bdf49c8

5031021000 has 256 divisors, whose sum is σ = 16562257920. Its totient is φ = 1269600000.

The previous prime is 5031020993. The next prime is 5031021011. The reversal of 5031021000 is 1201305.

It is a super-2 number, since 2×50310210002 = 50622344604882000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4370425 + ... + 4371575.

It is an arithmetic number, because the mean of its divisors is an integer number (64696320).

Almost surely, 25031021000 is an apocalyptic number.

5031021000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5031021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8281128960).

5031021000 is an abundant number, since it is smaller than the sum of its proper divisors (11531236920).

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

5031021000 is a wasteful number, since it uses less digits than its factorization.

5031021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253 (or 1239 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 5031021000 is about 70929.6905392939. The cubic root of 5031021000 is about 1713.5050026410.

Adding to 5031021000 its reverse (1201305), we get a palindrome (5032222305).

The spelling of 5031021000 in words is "five billion, thirty-one million, twenty-one thousand".