Search a number
-
+
54353550015220 = 22570124229160009
BaseRepresentation
bin11000101101111001011000…
…00010100111101011110100
321010110011000100120121211011
430112330230002213223310
524111012032300441340
6311333402015122004
714306625432112141
oct1426745402475364
9233404010517734
1054353550015220
1116356235a97a85
12611a0b9b13304
132443696718941
14d5ca23a773c8
15643cd965a0ea
hex316f2c0a7af4

54353550015220 has 48 divisors (see below), whose sum is σ = 114310715173200. Its totient is φ = 21709373414400.

The previous prime is 54353550015209. The next prime is 54353550015221. The reversal of 54353550015220 is 2251005535345.

It can be written as a sum of positive squares in 8 ways, for example, as 4538553030544 + 49814996984676 = 2130388^2 + 7057974^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54353550015221) 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, 339610576 + ... + 339770584.

It is an arithmetic number, because the mean of its divisors is an integer number (2381473232775).

Almost surely, 254353550015220 is an apocalyptic number.

It is an amenable number.

54353550015220 is an abundant number, since it is smaller than the sum of its proper divisors (59957165157980).

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

54353550015220 is a wasteful number, since it uses less digits than its factorization.

54353550015220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184948 (or 184946 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 54353550015220 in words is "fifty-four trillion, three hundred fifty-three billion, five hundred fifty million, fifteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 701 1402 2804 3505 7010 14020 24229 48458 96916 121145 160009 242290 320018 484580 640036 800045 1600090 3200180 16984529 33969058 67938116 84922645 112166309 169845290 224332618 339690580 448665236 560831545 1121663090 2243326180 3876858061 7753716122 15507432244 19384290305 38768580610 77537161220 2717677500761 5435355001522 10870710003044 13588387503805 27176775007610 54353550015220