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30342403418879 = 378916375628719
BaseRepresentation
bin1101110011000101001000…
…01011010110101011111111
310222102201001021010122121202
412321202210023112223333
512434112220233401004
6144311035132450115
76251111020415516
oct671424413265377
9128381037118552
1030342403418879
119739160783592
1234a068961993b
1313c1379235256
1476c819d6967d
1537941ee6db1e
hex1b98a42d6aff

30342403418879 has 16 divisors (see below), whose sum is σ = 31531864291200. Its totient is φ = 29172789828864.

The previous prime is 30342403418843. The next prime is 30342403418881. The reversal of 30342403418879 is 97881430424303.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30342403418879 - 212 = 30342403414783 is a prime.

It is a super-2 number, since 2×303424034188792 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30342403418809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2576282 + ... + 8205000.

It is an arithmetic number, because the mean of its divisors is an integer number (1970741518200).

Almost surely, 230342403418879 is an apocalyptic number.

30342403418879 is a deficient number, since it is larger than the sum of its proper divisors (1189460872321).

30342403418879 is a wasteful number, since it uses less digits than its factorization.

30342403418879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630482.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 30342403418879 in words is "thirty trillion, three hundred forty-two billion, four hundred three million, four hundred eighteen thousand, eight hundred seventy-nine".

Divisors: 1 37 89 1637 3293 60569 145693 5390641 5628719 208262603 500955991 9214213003 18535371667 340925881111 820064957267 30342403418879