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30400453155 = 352026696877
BaseRepresentation
bin11100010100000000…
…100001101000100011
32220110122211000211110
4130110000201220203
5444230004000110
621544335114403
72124231405522
oct342400415043
986418730743
1030400453155
1111990299456
125a85072a03
132b36334a27
1416856ca4b9
15bcdd7ba20
hex714021a23

30400453155 has 8 divisors (see below), whose sum is σ = 48640725072. Its totient is φ = 16213575008.

The previous prime is 30400453151. The next prime is 30400453189. The reversal of 30400453155 is 55135400403.

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 30400453155 - 22 = 30400453151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30400453151) 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, 1013348424 + ... + 1013348453.

It is an arithmetic number, because the mean of its divisors is an integer number (6080090634).

Almost surely, 230400453155 is an apocalyptic number.

30400453155 is a deficient number, since it is larger than the sum of its proper divisors (18240271917).

30400453155 is a wasteful number, since it uses less digits than its factorization.

30400453155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026696885.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 30400453155 its reverse (55135400403), we get a palindrome (85535853558).

The spelling of 30400453155 in words is "thirty billion, four hundred million, four hundred fifty-three thousand, one hundred fifty-five".

Divisors: 1 3 5 15 2026696877 6080090631 10133484385 30400453155