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30355497848 = 23133121614357
BaseRepresentation
bin11100010001010101…
…000010001101111000
32220100112020001202002
4130101111002031320
5444132001412343
621540051400132
72123144321504
oct342125021570
986315201662
1030355497848
1111967983905
125a71bb3048
132b29c24860
14167d747304
15bc9e4b8b8
hex711542378

30355497848 has 64 divisors (see below), whose sum is σ = 63315813120. Its totient is φ = 13548902400.

The previous prime is 30355497829. The next prime is 30355497853. The reversal of 30355497848 is 84879455303.

It is a super-2 number, since 2×303554978482 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30355497793 and 30355497802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6964886 + ... + 6969242.

It is an arithmetic number, because the mean of its divisors is an integer number (989309580).

Almost surely, 230355497848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30355497848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31657906560).

30355497848 is an abundant number, since it is smaller than the sum of its proper divisors (32960315272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30355497848 is a wasteful number, since it uses less digits than its factorization.

30355497848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568 (or 6564 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 30355497848 in words is "thirty billion, three hundred fifty-five million, four hundred ninety-seven thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 13 26 31 52 62 104 124 248 403 806 1612 2161 3224 4322 4357 8644 8714 17288 17428 28093 34856 56186 56641 66991 112372 113282 133982 135067 224744 226564 267964 270134 453128 535928 540268 870883 1080536 1741766 1755871 3483532 3511742 6967064 7023484 9415477 14046968 18830954 37661908 75323816 122401201 244802402 291879787 489604804 583759574 979209608 1167519148 2335038296 3794437231 7588874462 15177748924 30355497848