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245325772212 = 223193729080817
BaseRepresentation
bin1110010001111010001…
…1100011010110110100
3212110020011201111000120
43210132203203112310
513004411344202322
6304411234411540
723503254441333
oct3443643432664
9773204644016
10245325772212
1195051003784
123b667130bb0
131a198882931
14bc33b11d1a
1565ac7b2a5c
hex391e8e35b4

245325772212 has 48 divisors (see below), whose sum is σ = 618839807040. Its totient is φ = 75377475072.

The previous prime is 245325772189. The next prime is 245325772213. The reversal of 245325772212 is 212277523542.

It is a super-2 number, since 2×2453257722122 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245325772213) 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, 14531973 + ... + 14548844.

It is an arithmetic number, because the mean of its divisors is an integer number (12892495980).

Almost surely, 2245325772212 is an apocalyptic number.

It is an amenable number.

245325772212 is an abundant number, since it is smaller than the sum of its proper divisors (373514034828).

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

245325772212 is a wasteful number, since it uses less digits than its factorization.

245325772212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29080880 (or 29080878 counting only the distinct ones).

The product of its digits is 470400, while the sum is 42.

The spelling of 245325772212 in words is "two hundred forty-five billion, three hundred twenty-five million, seven hundred seventy-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 37 38 57 74 76 111 114 148 222 228 444 703 1406 2109 2812 4218 8436 29080817 58161634 87242451 116323268 174484902 348969804 552535523 1075990229 1105071046 1657606569 2151980458 2210142092 3227970687 3315213138 4303960916 6455941374 6630426276 12911882748 20443814351 40887628702 61331443053 81775257404 122662886106 245325772212