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10101000112020 = 22335523101935099
BaseRepresentation
bin1001001011111101001010…
…0001100000011110010100
31022202122110001202112212000
42102333102201200132110
52310443322012041040
633252200235555300
72061526125211266
oct222772241403624
938678401675760
1010101000112020
1132448a025a084
1211717845bbb30
1358369bc1410c
1426cc68d29b36
15127b3bd82130
hex92fd2860794

10101000112020 has 192 divisors, whose sum is σ = 31517216640000. Its totient is φ = 2685734900352.

The previous prime is 10101000112019. The next prime is 10101000112033. The reversal of 10101000112020 is 2021100010101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10101000111993 and 10101000112011.

It is a congruent number.

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, 287768431 + ... + 287803529.

It is an arithmetic number, because the mean of its divisors is an integer number (164152170000).

Almost surely, 210101000112020 is an apocalyptic number.

10101000112020 is a gapful number since it is divisible by the number (10) 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 10101000112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15758608320000).

10101000112020 is an abundant number, since it is smaller than the sum of its proper divisors (21416216527980).

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

10101000112020 is a wasteful number, since it uses less digits than its factorization.

10101000112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36659 (or 36651 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10101000112020 its reverse (2021100010101), we get a palindrome (12122100122121).

The spelling of 10101000112020 in words is "ten trillion, one hundred one billion, one hundred twelve thousand, twenty".