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30473076372 = 223231094912063
BaseRepresentation
bin11100011000010101…
…100011111010010100
32220122201110200011020
4130120111203322110
5444402101420442
621555451441140
72126102606154
oct343025437224
986581420136
1030473076372
1111a18291342
125aa54561b0
132b483b154b
1416911d2764
15bd54249ec
hex718563e94

30473076372 has 96 divisors (see below), whose sum is σ = 75064872960. Its totient is φ = 9602651520.

The previous prime is 30473076367. The next prime is 30473076377. The reversal of 30473076372 is 27367037403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30473076367) and next prime (30473076377).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30473076377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14770213 + ... + 14772275.

It is an arithmetic number, because the mean of its divisors is an integer number (781925760).

Almost surely, 230473076372 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 30473076372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37532436480).

30473076372 is an abundant number, since it is smaller than the sum of its proper divisors (44591796588).

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

30473076372 is a wasteful number, since it uses less digits than its factorization.

30473076372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693 (or 2691 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 42.

The spelling of 30473076372 in words is "thirty billion, four hundred seventy-three million, seventy-six thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 109 138 218 276 327 436 491 654 982 1308 1473 1964 2063 2507 2946 4126 5014 5892 6189 7521 8252 10028 11293 12378 15042 22586 24756 30084 33879 45172 47449 53519 67758 94898 107038 135516 142347 160557 189796 214076 224867 284694 321114 449734 569388 642228 674601 899468 1012933 1230937 1349202 2025866 2461874 2698404 3038799 3692811 4051732 4923748 5171941 6077598 7385622 10343882 12155196 14771244 15515823 20687764 23297459 31031646 46594918 62063292 69892377 93189836 110409697 139784754 220819394 279569508 331229091 441638788 662458182 1324916364 2539423031 5078846062 7618269093 10157692124 15236538186 30473076372