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30145167688870 = 2513231885905299
BaseRepresentation
bin1101101101010101110000…
…00000110000010010100110
310221201211221120022102200101
412312222320000300102212
512422344300412020440
6144040255430334314
76230626233364633
oct666527000602246
9127654846272611
1030145167688870
119672548306343
12346a4037ba39a
1313a88a58131c0
1476306904b18a
1537422952769a
hex1b6ab80304a6

30145167688870 has 16 divisors (see below), whose sum is σ = 58435248135600. Its totient is φ = 11130523454304.

The previous prime is 30145167688861. The next prime is 30145167688897. The reversal of 30145167688870 is 7888676154103.

It is a super-2 number, since 2×301451676888702 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115942952520 + ... + 115942952779.

It is an arithmetic number, because the mean of its divisors is an integer number (3652203008475).

Almost surely, 230145167688870 is an apocalyptic number.

30145167688870 is a deficient number, since it is larger than the sum of its proper divisors (28290080446730).

30145167688870 is a wasteful number, since it uses less digits than its factorization.

30145167688870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231885905319.

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 30145167688870 in words is "thirty trillion, one hundred forty-five billion, one hundred sixty-seven million, six hundred eighty-eight thousand, eight hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 231885905299 463771810598 1159429526495 2318859052990 3014516768887 6029033537774 15072583844435 30145167688870