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345530434142540 = 2251223118057119657
BaseRepresentation
bin100111010010000100001001…
…0110010010100000101001100
31200022102101110001102001210202
41032210020102302110011030
5330242132312120030130
63222514253505353032
7132531515161240103
oct11644102262240514
91608371401361722
10345530434142540
11a01076a8128269
1232906143338778
1311aa54c31b066a
146147a9585703a
1529e308d6b4145
hex13a4212c9414c

345530434142540 has 48 divisors (see below), whose sum is σ = 726219438702912. Its totient is φ = 138096839003136.

The previous prime is 345530434142527. The next prime is 345530434142603. The reversal of 345530434142540 is 45241434035543.

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, 2887614392 + ... + 2887734048.

It is an arithmetic number, because the mean of its divisors is an integer number (15129571639644).

Almost surely, 2345530434142540 is an apocalyptic number.

It is an amenable number.

345530434142540 is an abundant number, since it is smaller than the sum of its proper divisors (380689004560372).

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

345530434142540 is a wasteful number, since it uses less digits than its factorization.

345530434142540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238946 (or 238944 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 47.

The spelling of 345530434142540 in words is "three hundred forty-five trillion, five hundred thirty billion, four hundred thirty-four million, one hundred forty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 1223 2446 4892 6115 12230 24460 118057 119657 236114 239314 472228 478628 590285 598285 1180570 1196570 2361140 2393140 144383711 146340511 288767422 292681022 577534844 585362044 721918555 731702555 1443837110 1463405110 2887674220 2926810220 14126346449 28252692898 56505385796 70631732245 141263464490 282526928980 17276521707127 34553043414254 69106086828508 86382608535635 172765217071270 345530434142540