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472457811884172 = 223234736421354601
BaseRepresentation
bin110101101101100101010100…
…0000011000111100010001100
32021221211112012020120010000120
41223123022220003013202030
5443411222044320243142
64352500042241024540
7201341644004620632
oct15333125003074214
92257745166503016
10472457811884172
111275a326194a174
1244ba55a5325150
131738177145402a
148495119b4d352
153994aa2acc7ec
hex1adb2a80c788c

472457811884172 has 48 divisors (see below), whose sum is σ = 1174807214042112. Its totient is φ = 147433643420800.

The previous prime is 472457811884171. The next prime is 472457811884173. The reversal of 472457811884172 is 271488118754274.

It is an interprime number because it is at equal distance from previous prime (472457811884171) and next prime (472457811884173).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a junction number, because it is equal to n+sod(n) for n = 472457811884097 and 472457811884106.

It is not an unprimeable number, because it can be changed into a prime (472457811884171) 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, 18210664329 + ... + 18210690272.

It is an arithmetic number, because the mean of its divisors is an integer number (24475150292544).

Almost surely, 2472457811884172 is an apocalyptic number.

It is an amenable number.

472457811884172 is an abundant number, since it is smaller than the sum of its proper divisors (702349402157940).

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

472457811884172 is a wasteful number, since it uses less digits than its factorization.

472457811884172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36421354678 (or 36421354676 counting only the distinct ones).

The product of its digits is 224788480, while the sum is 69.

The spelling of 472457811884172 in words is "four hundred seventy-two trillion, four hundred fifty-seven billion, eight hundred eleven million, eight hundred eighty-four thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 46 47 69 92 94 138 141 188 276 282 564 1081 2162 3243 4324 6486 12972 36421354601 72842709202 109264063803 145685418404 218528127606 437056255212 837691155823 1675382311646 1711803666247 2513073467469 3350764623292 3423607332494 5026146934938 5135410998741 6847214664988 10052293869876 10270821997482 20541643994964 39371484323681 78742968647362 118114452971043 157485937294724 236228905942086 472457811884172