Search a number
-
+
1540740036460 = 225647307938671
BaseRepresentation
bin10110011010111011010…
…000110011011101101100
312110021220211012102101211
4112122323100303131230
5200220413422131320
63135450050044204
7216212655140032
oct26327320633554
95407824172354
101540740036460
11544473646809
1220a732879664
13b23a28b5561
1454802234552
152a128d1155a
hex166bb43376c

1540740036460 has 48 divisors (see below), whose sum is σ = 3241691228160. Its totient is φ = 615127711680.

The previous prime is 1540740036457. The next prime is 1540740036463. The reversal of 1540740036460 is 646300470451.

It is an interprime number because it is at equal distance from previous prime (1540740036457) and next prime (1540740036463).

It is not an unprimeable number, because it can be changed into a prime (1540740036463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39822925 + ... + 39861595.

It is an arithmetic number, because the mean of its divisors is an integer number (67535233920).

Almost surely, 21540740036460 is an apocalyptic number.

1540740036460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1540740036460 is an abundant number, since it is smaller than the sum of its proper divisors (1700951191700).

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

1540740036460 is a wasteful number, since it uses less digits than its factorization.

1540740036460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42406 (or 42404 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 1540740036460 in words is "one trillion, five hundred forty billion, seven hundred forty million, thirty-six thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 647 1294 2588 3079 3235 6158 6470 12316 12940 15395 30790 38671 61580 77342 154684 193355 386710 773420 1992113 3984226 7968452 9960565 19921130 25020137 39842260 50040274 100080548 119068009 125100685 238136018 250201370 476272036 500402740 595340045 1190680090 2381360180 77037001823 154074003646 308148007292 385185009115 770370018230 1540740036460