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2050653540 = 2235134164123
BaseRepresentation
bin111101000111010…
…0111110101100100
312021220122222211010
41322032213311210
513144431403130
6535252342220
7101550160515
oct17216476544
95256588733
102050653540
119625a43a1
12492914970
13268b01080
141564c2a0c
15c006b0b0
hex7a3a7d64

2050653540 has 96 divisors (see below), whose sum is σ = 6334425216. Its totient is φ = 492456960.

The previous prime is 2050653529. The next prime is 2050653559. The reversal of 2050653540 is 453560502.

It is a super-2 number, since 2×20506535402 = 8410359882229063200, which contains 22 as substring.

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 = 2050653498 and 2050653507.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82 + ... + 64041.

It is an arithmetic number, because the mean of its divisors is an integer number (65983596).

Almost surely, 22050653540 is an apocalyptic number.

2050653540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2050653540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3167212608).

2050653540 is an abundant number, since it is smaller than the sum of its proper divisors (4283771676).

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

2050653540 is a wasteful number, since it uses less digits than its factorization.

2050653540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64189 (or 64187 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2050653540 is about 45284.1422575276. The cubic root of 2050653540 is about 1270.4690725992.

The spelling of 2050653540 in words is "two billion, fifty million, six hundred fifty-three thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 41 52 60 65 78 82 123 130 156 164 195 205 246 260 390 410 492 533 615 780 820 1066 1230 1599 2132 2460 2665 3198 5330 6396 7995 10660 15990 31980 64123 128246 192369 256492 320615 384738 641230 769476 833599 961845 1282460 1667198 1923690 2500797 2629043 3334396 3847380 4167995 5001594 5258086 7887129 8335990 10003188 10516172 12503985 13145215 15774258 16671980 25007970 26290430 31548516 34177559 39435645 50015940 52580860 68355118 78871290 102532677 136710236 157742580 170887795 205065354 341775590 410130708 512663385 683551180 1025326770 2050653540