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30247311302 = 2131768432831
BaseRepresentation
bin11100001010111000…
…010101011111000110
32220001222122121200222
4130022320111133012
5443421302430202
621521224504342
72120361622025
oct341270253706
986058577628
1030247311302
111191190073a
125a4191b0b2
132b106a5a50
14166d2248bc
15bc06cb4a2
hex70ae157c6

30247311302 has 16 divisors (see below), whose sum is σ = 51735220992. Its totient is φ = 13139103360.

The previous prime is 30247311239. The next prime is 30247311313. The reversal of 30247311302 is 20311374203.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34215974 + ... + 34216857.

It is an arithmetic number, because the mean of its divisors is an integer number (3233451312).

Almost surely, 230247311302 is an apocalyptic number.

30247311302 is a deficient number, since it is larger than the sum of its proper divisors (21487909690).

30247311302 is a wasteful number, since it uses less digits than its factorization.

30247311302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68432863.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 30247311302 its reverse (20311374203), we get a palindrome (50558685505).

The spelling of 30247311302 in words is "thirty billion, two hundred forty-seven million, three hundred eleven thousand, three hundred two".

Divisors: 1 2 13 17 26 34 221 442 68432831 136865662 889626803 1163358127 1779253606 2326716254 15123655651 30247311302