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231533453414450 = 25211787215347619
BaseRepresentation
bin110100101001010000010101…
…001111101001000000110010
31010100210101022110110111012002
4310221100111033221000302
5220321421003033230300
62140233000005134002
766524511546664115
oct6451202517510062
91110711273414162
10231533453414450
116785687142a150
1221b748990ba302
139c266847b4c05
1441263c959857c
151bb7ab30e55d5
hexd294153e9032

231533453414450 has 48 divisors (see below), whose sum is σ = 469808481270240. Its totient is φ = 84192897792000.

The previous prime is 231533453414447. The next prime is 231533453414489. The reversal of 231533453414450 is 54414354335132.

It is a junction number, because it is equal to n+sod(n) for n = 231533453414395 and 231533453414404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40622741 + ... + 45970359.

It is an arithmetic number, because the mean of its divisors is an integer number (9787676693130).

Almost surely, 2231533453414450 is an apocalyptic number.

231533453414450 is an abundant number, since it is smaller than the sum of its proper divisors (238275027855790).

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

231533453414450 is a wasteful number, since it uses less digits than its factorization.

231533453414450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426363 (or 5426358 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 47.

The spelling of 231533453414450 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, four hundred fifty-three million, four hundred fourteen thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 78721 157442 393605 787210 865931 1731862 1968025 3936050 4329655 5347619 8659310 10695238 21648275 26738095 43296550 53476190 58823809 117647618 133690475 267380950 294119045 588238090 1470595225 2941190450 420969915299 841939830598 2104849576495 4209699152990 4630669068289 9261338136578 10524247882475 21048495764950 23153345341445 46306690682890 115766726707225 231533453414450