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30020612633623 = 1223199312316457
BaseRepresentation
bin1101101001101101101111…
…11100111011010000010111
310221021221110010000001002001
412310312313330323100113
512413324203313233443
6143503140135300131
76215626524031033
oct664666774732027
9127257403001061
1030020612633623
119624741217857
12344a24251a647
131399c15a16c91
1475b010b871c3
15370d8970ad4d
hex1b4db7f3b417

30020612633623 has 8 divisors (see below), whose sum is σ = 30060237116448. Its totient is φ = 29981012790144.

The previous prime is 30020612633597. The next prime is 30020612633657. The reversal of 30020612633623 is 32633621602003.

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 30020612633623 - 229 = 30020075762711 is a prime.

It is a super-2 number, since 2×300206126336232 (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 (30020612633923) 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, 3720790 + ... + 8595667.

It is an arithmetic number, because the mean of its divisors is an integer number (3757529639556).

Almost surely, 230020612633623 is an apocalyptic number.

30020612633623 is a deficient number, since it is larger than the sum of its proper divisors (39624482825).

30020612633623 is a wasteful number, since it uses less digits than its factorization.

30020612633623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12319673.

The product of its (nonzero) digits is 139968, while the sum is 37.

The spelling of 30020612633623 in words is "thirty trillion, twenty billion, six hundred twelve million, six hundred thirty-three thousand, six hundred twenty-three".

Divisors: 1 1223 1993 2437439 12316457 15063026911 24546698801 30020612633623