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70245423400 = 23523133593373
BaseRepresentation
bin100000101101011110…
…1000001100100101000
320201022112011020111011
41001122331001210220
52122330312022100
652134215113304
75034514150525
oct1013275014450
9221275136434
1070245423400
112787778a329
1211745072834
136816246bb9
14358546014c
151c61e3dbba
hex105af41928

70245423400 has 96 divisors (see below), whose sum is σ = 168689203200. Its totient is φ = 27175622400.

The previous prime is 70245423397. The next prime is 70245423421. The reversal of 70245423400 is 432454207.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20824114 + ... + 20827486.

It is an arithmetic number, because the mean of its divisors is an integer number (1757179200).

Almost surely, 270245423400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70245423400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84344601600).

70245423400 is an abundant number, since it is smaller than the sum of its proper divisors (98443779800).

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

70245423400 is a wasteful number, since it uses less digits than its factorization.

70245423400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6779 (or 6770 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

Adding to 70245423400 its reverse (432454207), we get a palindrome (70677877607).

The spelling of 70245423400 in words is "seventy billion, two hundred forty-five million, four hundred twenty-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 31 40 50 62 100 124 155 200 248 310 620 775 1240 1550 3100 3359 3373 6200 6718 6746 13436 13492 16795 16865 26872 26984 33590 33730 67180 67460 83975 84325 104129 104563 134360 134920 167950 168650 208258 209126 335900 337300 416516 418252 520645 522815 671800 674600 833032 836504 1041290 1045630 2082580 2091260 2603225 2614075 4165160 4182520 5206450 5228150 10412900 10456300 11329907 20825800 20912600 22659814 45319628 56649535 90639256 113299070 226598140 283247675 351227117 453196280 566495350 702454234 1132990700 1404908468 1756135585 2265981400 2809816936 3512271170 7024542340 8780677925 14049084680 17561355850 35122711700 70245423400