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100312301020 = 2258360429097
BaseRepresentation
bin101110101101100010…
…1000011110111011100
3100120220221021212201011
41131123011003313130
53120414422113040
6114025520425004
710150555330051
oct1353305036734
9316827255634
10100312301020
11395a6751518
1217536478164
1395c8426549
144bd8717028
1529218783ea
hex175b143ddc

100312301020 has 24 divisors (see below), whose sum is σ = 213193857744. Its totient is φ = 39641486976.

The previous prime is 100312301017. The next prime is 100312301021. The reversal of 100312301020 is 20103213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100312301021) 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, 30212889 + ... + 30216208.

It is an arithmetic number, because the mean of its divisors is an integer number (8883077406).

Almost surely, 2100312301020 is an apocalyptic number.

100312301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100312301020 is an abundant number, since it is smaller than the sum of its proper divisors (112881556724).

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

100312301020 is a wasteful number, since it uses less digits than its factorization.

100312301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60429189 (or 60429187 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 100312301020 its reverse (20103213001), we get a palindrome (120415514021).

The spelling of 100312301020 in words is "one hundred billion, three hundred twelve million, three hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 60429097 120858194 241716388 302145485 604290970 1208581940 5015615051 10031230102 20062460204 25078075255 50156150510 100312301020