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74048572830 = 23561313129277
BaseRepresentation
bin100010011110110100…
…0111000110110011110
321002010120110020201110
41010331220320312132
52203122413312310
654003433522450
75230664324661
oct1047550706636
9232116406643
1074048572830
1129449541831
1212426873426
136ca114498b
1438265b16d8
151dd5c7cd20
hex113da38d9e

74048572830 has 64 divisors (see below), whose sum is σ = 181208455488. Its totient is φ = 19360373760.

The previous prime is 74048572753. The next prime is 74048572831. The reversal of 74048572830 is 3827584047.

It is a super-2 number, since 2×740485728302 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74048572830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74048572831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508152 + ... + 637428.

It is an arithmetic number, because the mean of its divisors is an integer number (2831382117).

Almost surely, 274048572830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74048572830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90604227744).

74048572830 is an abundant number, since it is smaller than the sum of its proper divisors (107159882658).

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

74048572830 is a wasteful number, since it uses less digits than its factorization.

74048572830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129661.

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 74048572830 in words is "seventy-four billion, forty-eight million, five hundred seventy-two thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 61 122 183 305 313 366 610 626 915 939 1565 1830 1878 3130 4695 9390 19093 38186 57279 95465 114558 129277 190930 258554 286395 387831 572790 646385 775662 1292770 1939155 3878310 7885897 15771794 23657691 39429485 40463701 47315382 78858970 80927402 118288455 121391103 202318505 236576910 242782206 404637010 606955515 1213911030 2468285761 4936571522 7404857283 12341428805 14809714566 24682857610 37024286415 74048572830