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225420123533501 = 13191679076025207
BaseRepresentation
bin110011010000010010110110…
…011000110111000010111101
31002120010221201222202110222202
4303100102312120313002331
5214021240403111033001
62115232324121321245
765324031542245511
oct6320226630670275
91076127658673882
10225420123533501
116590a157053866
1221347b1b336225
1398a2046113180
143d9456c26c141
151b0da64a5d96b
hexcd04b66370bd

225420123533501 has 32 divisors (see below), whose sum is σ = 257350612162560. Its totient is φ = 195732046420416.

The previous prime is 225420123533491. The next prime is 225420123533503. The reversal of 225420123533501 is 105335321024522.

225420123533501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-225420123533501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225420123533503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34400240 + ... + 40425446.

It is an arithmetic number, because the mean of its divisors is an integer number (8042206630080).

Almost surely, 2225420123533501 is an apocalyptic number.

It is an amenable number.

225420123533501 is a deficient number, since it is larger than the sum of its proper divisors (31930488629059).

225420123533501 is a wasteful number, since it uses less digits than its factorization.

225420123533501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026313.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 225420123533501 in words is "two hundred twenty-five trillion, four hundred twenty billion, one hundred twenty-three million, five hundred thirty-three thousand, five hundred one".

Divisors: 1 13 19 167 247 907 2171 3173 11791 17233 41249 151469 224029 1969097 2877911 6025207 37412843 78327691 114478933 1006209569 1488226129 5464862749 13080724397 19117981811 71043215737 103832392231 248533763543 912632079083 1349821099003 11864217028079 17340009502577 225420123533501