Search a number
-
+
30640251307300 = 2252758940374557
BaseRepresentation
bin1101111011101111111010…
…10010111000010100100100
311000111011211210111002021121
412331313331102320110210
513004002213313313200
6145055534230423324
76311453663613325
oct675677522702444
9130434753432247
1030640251307300
119843504089578
12352a352201b44
13141349522b74b
1477cdd333844c
1538205371ee1a
hex1bddfd4b8524

30640251307300 has 36 divisors (see below), whose sum is σ = 66498108262740. Its totient is φ = 12254485237120.

The previous prime is 30640251307283. The next prime is 30640251307387. The reversal of 30640251307300 is 370315204603.

It can be written as a sum of positive squares in 6 ways, for example, as 14595211655424 + 16045039651876 = 3820368^2 + 4005626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19428379 + ... + 20946178.

It is an arithmetic number, because the mean of its divisors is an integer number (1847169673965).

Almost surely, 230640251307300 is an apocalyptic number.

It is an amenable number.

30640251307300 is an abundant number, since it is smaller than the sum of its proper divisors (35857856955440).

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

30640251307300 is a wasteful number, since it uses less digits than its factorization.

30640251307300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40382160 (or 40382153 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 30640251307300 in words is "thirty trillion, six hundred forty billion, two hundred fifty-one million, three hundred seven thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 7589 15178 30356 37945 75890 151780 189725 379450 758900 40374557 80749114 161498228 201872785 403745570 807491140 1009363925 2018727850 4037455700 306402513073 612805026146 1225610052292 1532012565365 3064025130730 6128050261460 7660062826825 15320125653650 30640251307300