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10102030013220 = 22354322722975323
BaseRepresentation
bin1001001100000000111111…
…1010010001001100100100
31022202202002211200221200220
42103000033322101030210
52311002424140410340
633252450350204340
72061563502216555
oct223001772211444
938682084627626
1010102030013220
1132452796460a2
121171a114b36b0
135838043c0302
1426cd25a1c32c
15127b9c4bced0
hex9300fe91324

10102030013220 has 192 divisors, whose sum is σ = 29198330219520. Its totient is φ = 2608161034752.

The previous prime is 10102030013219. The next prime is 10102030013279. The reversal of 10102030013220 is 2231003020101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10102030013220.

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, 134078479 + ... + 134153801.

It is an arithmetic number, because the mean of its divisors is an integer number (152074636560).

Almost surely, 210102030013220 is an apocalyptic number.

10102030013220 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 10102030013220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14599165109760).

10102030013220 is an abundant number, since it is smaller than the sum of its proper divisors (19096300206300).

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

10102030013220 is a wasteful number, since it uses less digits than its factorization.

10102030013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75834 (or 75832 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10102030013220 its reverse (2231003020101), we get a palindrome (12333033033321).

The spelling of 10102030013220 in words is "ten trillion, one hundred two billion, thirty million, thirteen thousand, two hundred twenty".