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30220070861716 = 2250914842863881
BaseRepresentation
bin1101101111100001010001…
…00101101011101110010100
310222000000021200211212020021
412313300220211223232110
512430111201120033331
6144134524153314524
76236220346013101
oct667605045535624
9128000250755207
1030220070861716
1196a129519077a
123480a28705a44
1313b2981a16b58
14766932d1baa8
15376160315211
hex1b7c2896bb94

30220070861716 has 12 divisors (see below), whose sum is σ = 52989024058740. Its totient is φ = 15080349702080.

The previous prime is 30220070861711. The next prime is 30220070861741. The reversal of 30220070861716 is 61716807002203.

It can be written as a sum of positive squares in 2 ways, for example, as 21549519485316 + 8670551376400 = 4642146^2 + 2944580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220070861711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7421429905 + ... + 7421433976.

It is an arithmetic number, because the mean of its divisors is an integer number (4415752004895).

Almost surely, 230220070861716 is an apocalyptic number.

It is an amenable number.

30220070861716 is a deficient number, since it is larger than the sum of its proper divisors (22768953197024).

30220070861716 is a wasteful number, since it uses less digits than its factorization.

30220070861716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14842864394 (or 14842864392 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

Adding to 30220070861716 its reverse (61716807002203), we get a palindrome (91936877863919).

The spelling of 30220070861716 in words is "thirty trillion, two hundred twenty billion, seventy million, eight hundred sixty-one thousand, seven hundred sixteen".

Divisors: 1 2 4 509 1018 2036 14842863881 29685727762 59371455524 7555017715429 15110035430858 30220070861716