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202021450612050 = 235219719743132689
BaseRepresentation
bin101101111011110011001000…
…110011001111110101010010
3222111022001200020120220102110
4231323303020303033311102
5202434404412324041200
61553355212335330150
760360365606106246
oct5573631063176522
9874261606526373
10202021450612050
11594088a8200493
121a7a913b080956
1388957058ba4b4
1437c5c672c4426
151855095328b50
hexb7bcc8ccfd52

202021450612050 has 192 divisors, whose sum is σ = 528830581248000. Its totient is φ = 50897036252160.

The previous prime is 202021450612049. The next prime is 202021450612087. The reversal of 202021450612050 is 50216054120202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 202021450611999 and 202021450612017.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1522452106 + ... + 1522584794.

It is an arithmetic number, because the mean of its divisors is an integer number (2754325944000).

Almost surely, 2202021450612050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202021450612050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264415290624000).

202021450612050 is an abundant number, since it is smaller than the sum of its proper divisors (326809130635950).

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

202021450612050 is a wasteful number, since it uses less digits than its factorization.

202021450612050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134185 (or 134180 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 202021450612050 in words is "two hundred two trillion, twenty-one billion, four hundred fifty million, six hundred twelve thousand, fifty".