Search a number
-
+
730040201557 = 19831790925849
BaseRepresentation
bin10101001111110011100…
…10010111000101010101
32120210100202102202021121
422213321302113011111
543430110242422212
61315213103043541
7103513035220042
oct12477162270525
92523322382247
10730040201557
11261676730757
12b95a0ba05b1
1353ac4c69534
1427496c161c9
1513ecb4c2d07
hexa9f9c97155

730040201557 has 16 divisors (see below), whose sum is σ = 777795480000. Its totient is φ = 683219712384.

The previous prime is 730040201549. The next prime is 730040201581. The reversal of 730040201557 is 755102040037.

It is a cyclic number.

It is not a de Polignac number, because 730040201557 - 23 = 730040201549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730040201587) 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, 28229569 + ... + 28255417.

It is an arithmetic number, because the mean of its divisors is an integer number (48612217500).

Almost surely, 2730040201557 is an apocalyptic number.

It is an amenable number.

730040201557 is a deficient number, since it is larger than the sum of its proper divisors (47755278443).

730040201557 is a wasteful number, since it uses less digits than its factorization.

730040201557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43860.

The product of its (nonzero) digits is 29400, while the sum is 34.

The spelling of 730040201557 in words is "seven hundred thirty billion, forty million, two hundred one thousand, five hundred fifty-seven".

Divisors: 1 19 83 1577 17909 25849 340271 491131 1486447 2145467 28242493 40763873 462929741 8795665079 38423168503 730040201557