Search a number
-
+
30014603028697 = 74171021720221
BaseRepresentation
bin1101101001100010100011…
…10000000110100011011001
310221021100221021212110220211
412310301101300012203121
512413224401333404242
6143500303540451121
76215324562160000
oct664612160064331
9127240837773824
1030014603028697
119622137a26711
1234490459a9aa1
131399498967431
1475aa00997c37
15370b36d27317
hex1b4c51c068d9

30014603028697 has 40 divisors (see below), whose sum is σ = 37111020157512. Its totient is φ = 24189712243200.

The previous prime is 30014603028679. The next prime is 30014603028719. The reversal of 30014603028697 is 79682030641003.

It can be written as a sum of positive squares in 4 ways, for example, as 11730974352601 + 18283628676096 = 3425051^2 + 4275936^2 .

It is a de Polignac number, because none of the positive numbers 2k-30014603028697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 30014603028697.

It is not an unprimeable number, because it can be changed into a prime (30014603028677) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 41314047 + ... + 42034267.

Almost surely, 230014603028697 is an apocalyptic number.

It is an amenable number.

30014603028697 is a deficient number, since it is larger than the sum of its proper divisors (7096417128815).

30014603028697 is an equidigital number, since it uses as much as digits as its factorization.

30014603028697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721287 (or 721266 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 30014603028697 in words is "thirty trillion, fourteen billion, six hundred three million, twenty-eight thousand, six hundred ninety-seven".

Divisors: 1 7 17 49 119 343 833 1021 2401 5831 7147 17357 40817 50029 121499 350203 720221 850493 2451421 5041547 5953451 12243757 35290829 41674157 85706299 247035803 599944093 735345641 1729250621 4199608651 5147419487 12500875897 29397260557 36031936409 87506131279 252223554863 612542918953 1765564884041 4287800432671 30014603028697