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90306126948 = 22319313897209
BaseRepresentation
bin101010000011010101…
…0100010010001100100
322122002120220120100110
41110012222202101210
52434421332030243
6105252553413020
76344604261642
oct1240652422144
9278076816313
1090306126948
11353314aa874
121560340a170
138692386a9b
144529828192
15253819ae33
hex1506aa2464

90306126948 has 24 divisors (see below), whose sum is σ = 210823472160. Its totient is φ = 30086445760.

The previous prime is 90306126929. The next prime is 90306126973. The reversal of 90306126948 is 84962160309.

It is a junction number, because it is equal to n+sod(n) for n = 90306126897 and 90306126906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1925433 + ... + 1971776.

It is an arithmetic number, because the mean of its divisors is an integer number (8784311340).

Almost surely, 290306126948 is an apocalyptic number.

It is an amenable number.

90306126948 is an abundant number, since it is smaller than the sum of its proper divisors (120517345212).

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

90306126948 is a wasteful number, since it uses less digits than its factorization.

90306126948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899147 (or 3899145 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 90306126948 in words is "ninety billion, three hundred six million, one hundred twenty-six thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 12 1931 3862 5793 7724 11586 23172 3897209 7794418 11691627 15588836 23383254 46766508 7525510579 15051021158 22576531737 30102042316 45153063474 90306126948