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30102100020023 = 274130949354847
BaseRepresentation
bin1101101100000101100001…
…11110101000101100110111
310221120201210002220011122012
412312002300332220230313
512421143100101120043
6144004414104554435
76224543046264113
oct666026076505467
9127521702804565
1030102100020023
119656257779299
123461ba4482a1b
1313a4801045995
14760d412a0743
15373058581a18
hex1b60b0fa8b37

30102100020023 has 8 divisors (see below), whose sum is σ = 30114140035200. Its totient is φ = 30090060781920.

The previous prime is 30102100020017. The next prime is 30102100020067. The reversal of 30102100020023 is 32002000120103.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30102100020023 - 234 = 30084920150839 is a prime.

It is a super-2 number, since 2×301021000200232 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102100020323) 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, 84653786 + ... + 85008632.

It is an arithmetic number, because the mean of its divisors is an integer number (3764267504400).

Almost surely, 230102100020023 is an apocalyptic number.

30102100020023 is a deficient number, since it is larger than the sum of its proper divisors (12040015177).

30102100020023 is a wasteful number, since it uses less digits than its factorization.

30102100020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388537.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30102100020023 its reverse (32002000120103), we get a palindrome (62104100140126).

The spelling of 30102100020023 in words is "thirty trillion, one hundred two billion, one hundred million, twenty thousand, twenty-three".

Divisors: 1 2741 30949 354847 84831209 972635627 10982159803 30102100020023