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7672834621420 = 22511317519193793
BaseRepresentation
bin110111110100111100010…
…0101001111111111101100
31000011111221001000011022121
41233221320211033333230
52001202431130341140
624152503534322324
71421225665120243
oct157517045177754
930144831004277
107672834621420
112499038127a41
12a3b0689593a4
13438711a60057
141c751d76995a
15d48c495564a
hex6fa7894ffec

7672834621420 has 48 divisors (see below), whose sum is σ = 16256556973440. Its totient is φ = 3041784037376.

The previous prime is 7672834621379. The next prime is 7672834621421. The reversal of 7672834621420 is 241264382767.

It is a super-2 number, since 2×76728346214202 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7672834621421) 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, 39496044 + ... + 39689836.

It is an arithmetic number, because the mean of its divisors is an integer number (338678270280).

Almost surely, 27672834621420 is an apocalyptic number.

It is an amenable number.

7672834621420 is an abundant number, since it is smaller than the sum of its proper divisors (8583722352020).

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

7672834621420 is a wasteful number, since it uses less digits than its factorization.

7672834621420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211434 (or 211432 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 52.

The spelling of 7672834621420 in words is "seven trillion, six hundred seventy-two billion, eight hundred thirty-four million, six hundred twenty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 17519 35038 70076 87595 175190 193793 350380 387586 775172 968965 1937930 1979647 3875860 3959294 7918588 9898235 19796470 21898609 39592940 43797218 87594436 109493045 218986090 437972180 3395059567 6790119134 13580238268 16975297835 33950595670 67901191340 383641731071 767283462142 1534566924284 1918208655355 3836417310710 7672834621420